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Review

Influenza immunization policies: Which could be the main reasons for differences among countries?

, , &
Pages 684-692 | Received 02 Aug 2017, Accepted 10 Nov 2017, Published online: 21 Dec 2017

References

  • Paules C, Subbarao K. Influenza. Lancet. 2017;390:697–708. doi:10.1016/S0140-6736(17)30129-0. PMID:28302313.
  • World Health Organization. (WHO) Influenza (Seasonal). Available at: http://www.who.int/mediacentre/factsheets/fs211/en/ Accessed on: July 7, 2017.
  • Saunders-Hastings PR, Krewski D. Reviewing the history of pandemic influenza: understanding patterns of emergence and transmission. Pathogens. 2016;5:piiE66. doi:10.3390/pathogens5040066.
  • World Health Organization (WHO). Global action plan for influenza vaccines. Available at: http://www.who.int/influenza_vaccines_plan/en/ Accessed on: July 7, 2017.
  • Ortiz JR, Perut M, Dumolard L, Wijesinghe PR, Jorgensen P, Ropero AM, Danovaro-Holliday MC, Heffelfinger JD, Tevi-Benissan C, Teleb NA, et al. A global review of national influenza immunization policies: analysis of the 2014 WHO/UNICEF Joint Reporting Form on immunization. Vaccine. 2016;34:5400–5405. doi:10.1016/j.vaccine.2016.07.045. PMID:27646030.
  • Principi N, Esposito S; ESCMID Vaccine Study Group (EVASG). Influenza vaccination in patients with end-stage renal disease. Expert Opin Drug Saf. 2015;14:1249–1258. doi:10.1517/14740338.2015.1053459. PMID:26043970.
  • Patria MF, Tagliabue C, Longhi B, Esposito S. Influenza vaccination in children at high risk of respiratory disease. Ther Adv Vaccines. 2013;1:21–31. doi:10.1177/2051013613480770. PMID:24757513.
  • Jiménez-García R, Rodríguez-Rieiro C, Hernandez-Barrera V, Carrasco Garrido P, López de Andres A, Esteban-Vasallo MD, Domínguez-Berjón MF, Astray-Mochales J. Negative trends from 2008/9 to 2011/12 seasons in influenza vaccination coverages among high risk subjects and health care workers in Spain. Vaccine. 2014;32:350–354. doi:10.1016/j.vaccine.2013.11.040. PMID:24269621.
  • Grohskopf LA, Sokolow LZ, Broder KR, Olsen SJ, Karron RA, Jernigan DB, Bresee JS. Prevention and control of seasonal influenza with vaccines. MMWR Recomm Rep. 2016;65:1–54. doi:10.15585/mmwr.rr6505a1. PMID:27560619.
  • European Center for Disease Prevention and Control (ECDC). Vaccine schedule. Recommended immunizations for influenza. Available at: http://vaccine-schedule.ecdc.europa.eu/Pages/Scheduler.aspx Accessed on: July 7, 2017.
  • Farber DL, Yudanin NA, Restifo NP. Human memory T cells: generation, compartmentalization and homeostasis. Nat Rev Immunol. 2014;14:24–35. doi:10.1038/nri3567. PMID:24336101.
  • Orimo H, Ito H, Suzuki T, Araki A, Hosoi T, Sawabe M. Reviewing the definition of “elderly”. Geriatrics & Gerontol Intern. 2006;6:149–158. doi:10.1111/j.1447-0594.2006.00341.x.
  • European Center for Disease Prevention and Control (ECDC) Seasonal influenza vaccination and antiviral use in Europe – Overview of vaccination recommendations and coverage rates in the EU Member States for the 2013–14 and 2014–15 influenza seasons. Stockholm: ECDC; 2016. Available at: https://ecdc.europa.eu/sites/portal/files/media/en/publications/Publications/Seasonal-influenza-vaccination-antiviral-use-europe.pdf Accessed on: July 7, 2017.
  • Abdullah A, Wolfe R, Stoelwinder JU, de Courten M, Stevenson C, Walls HL, Peeters A. The number of years lived with obesity and the risk of all-cause and cause-specific mortality. Int J Epidemiol. 2011;40:985–996. doi:10.1093/ije/dyr018. PMID:21357186.
  • World Health Organization (WHO). Global strategy on diet, physical activity and health. Childhood overweight and obesity. Available online at: http://www.who.int/dietphysicalactivity/childhood/en/. Accessed on: July 7, 2017.
  • Harper SA, Fukuda K, Uyeki TM, Cox NJ, Bridges CB, Advisory Committee on Immunization Practices (ACIP), Centers for Disease Control and Prevention (CDC) Prevention and control of influenza. Recommendations of the Advisory Committee on Immunization Practices (ACIP). MMWR Recomm Rep. 2005;54:1–40.
  • Van Kerkhove MD, Vandemaele KA, Shinde V, Jaramillo-Gutierrez G, Koukounari A, Donnelly CA, Carlino LO, Owen R, Paterson B, Pelletier L, et al. Risk factors for severe outcomes following 2009 influenza A (H1N1) infection: a global pooled analysis. PLoS Med. 2011;8:e1001053. doi:10.1371/journal.pmed.1001053. PMID:21750667.
  • Tagliabue C, Principi N, Giavoli C, Esposito S. Obesity: impact of infections and response to vaccines. Eur J Clin Microbiol Infect Dis. 2016;35:325–331. doi:10.1007/s10096-015-2558-8. PMID:26718941.
  • Mighty HE. Acute respiratory failure in pregnancy. Clin Obstet Gynecol. 2010; 53:360–368. doi:10.1097/GRF.0b013e3181deb3f1. PMID:20436311.
  • Freeman DW, Barno A. Deaths from Asian influenza associated with pregnancy. Am J Obstet Gynecol 1959;78:1172–1175. doi:10.1016/0002-9378(59)90570-8. PMID:13824729.
  • Neuzil KM, Reed GW, Mitchel EF, Simonsen L, Griffin MR. Impact of influenza on acute cardiopulmonary hospitalizations in pregnant women. Am J Epidemiol 1998;148:1094–1102. doi:10.1093/oxfordjournals.aje.a009587. PMID:9850132.
  • Taubenberger JK, Morens DM. 1918 Influenza: the mother of all pandemics. Emerg Infect Dis. 2006;12:15–22. doi:10.3201/eid1209.05-0979. PMID:16494711.
  • Mertz D, Geraci J, Winkup J, Gessner BD, Ortiz JR, Loeb M. Pregnancy as a risk factor for severe outcomes from influenza virus infection: A systematic review and meta-analysis of observational studies. Vaccine. 2017;35:521–528. doi:10.1016/j.vaccine.2016.12.012. PMID:28024955.
  • Katz MA, Gessner BD, Johnson J, Skidmore B, Knight M, Bhat N, Marshall H, Horne DJ, Ortiz JR, Fell DB. Incidence of influenza virus infection among pregnant women: a systematic review. BMC Pregnancy and Childbirth. 2017;17:155. doi:10.1186/s12884-017-1333-5. PMID:28558777.
  • Proveaux T, Lambach P, Ortiz JR, Hombach J, Halsey NA. Review of prescribing information for influenza vaccines for pregnant and lactating women. Vaccine. 2016;34:5406–5409. doi:10.1016/j.vaccine.2016.08.042. PMID:27595450.
  • Moro P, Baumblatt J, Lewis P, Cragan J, Tepper N, Cano M. Surveillance of adverse events after seasonal influenza vaccination in pregnant women and their infants in the Vaccine Adverse Event Reporting System, July 2010-May 2016. Drug Saf. 2017;40:145–152.
  • Kharbanda EO, Vazquez-Benitez G, Romitti PA, Naleway AL, Cheetham TC, Lipkind HS, Klein NP, Lee G, Jackson ML, Hambidge SJ, et al. First trimester influenza vaccination and risks for major structural birth defects in offspring. J Pediatr. 2017;187:234–239.e4. doi:10.1016/j.jpeds.2017.04.039. doi:10.1016/j.jpeds.2017.04.039. PMID:28550954
  • Munoz FM. Infant protection against influenza through maternal immunization: a call for more immunogenic vaccines. JAMA Pediatr. 2016;170:832–833. doi:10.1001/jamapediatrics.2016.1322. PMID:27380323.
  • Steinhoff MC, Katz J, Englund JA, Khatry SK, Shrestha L, Kuypers J, Stewart L, Mullany LC, Chu HY, LeClerq SC, et al. Year-round influenza immunisation during pregnancy in Nepal: a phase 4, randomised, placebo-controlled trial. Lancet Infect Dis. 2017;17:981–989. doi:10.1016/S1473-3099(17)30252-9. PMID:28522338
  • Zaman K, Roy E, Arifeen SE, Rahman M, Raqib R, Wilson E, Omer SB, Shahid NS, Breiman RF, Steinhoff MC. Effectiveness of maternal influenza immunization in mothers and infants. N Engl J Med. 2008;359:1555–1564. doi:10.1056/NEJMoa0708630. PMID:18799552.
  • Madhi SA, Cutland CL, Kuwanda L, Weinberg A, Hugo A, Jones S, Adrian PV, van Niekerk N, Treurnicht F, Ortiz JR, et al. Influenza vaccination of pregnant women and protection of their infants. N Engl J Med. 2014;371:918–931. doi:10.1056/NEJMoa1401480. PMID:25184864.
  • Tapia MD, Sow SO, Tamboura B, Tégueté I, Pasetti MF, Kodio M, Onwuchekwa U, Tennant SM, Blackwelder WC, Coulibaly F, et al. Maternal immunisation with trivalent inactivated influenza vaccine for prevention of influenza in infants in Mali: a prospective, active-controlled, observer-blind, randomised phase 4 trial. Lancet Infect Dis. 2016;16:1026–1035. doi:10.1016/S1473-3099(16)30054-8. PMID:27261067.
  • Zuccotti G, Pogliani L, Pariani E, Amendola A, Zanetti A. Transplacental antibody transfer following maternal immunization with a pandemic 2009 influenza A (H1N1) MF59-adjuvanted vaccine. JAMA. 2010;304:2360–2361. doi:10.1001/jama.2010.1729. PMID:21119083.
  • Jackson LA, Patel SM, Swamy GK, Frey SE, Creech CB, Munoz FM, Artal R, Keitel WA, Noah DL, Petrie CR, et al. Immunogenicity of an inactivated monovalent 2009 H1N1 influenza vaccine in pregnant women. J Infect Dis. 2011;204:854–863. doi:10.1093/infdis/jir440. PMID:21849282.
  • Esposito S, Principi N. Influenza vaccination in pediatric age. Expert Rev Vaccines. 2015;14:785–787. doi:10.1586/14760584.2015.1037290. PMID:25872557.
  • Takeda S, Hisano M, Komano J, Yamamoto H, Sago H, Yamaguchi K, et al. Influenza vaccination during pregnancy and its usefulness to mothers and their young infants. J Infect Chemother. 2015;21:238–246. doi:10.1016/j.jiac.2015.01.015. PMID:25708925.
  • Kay AW, Bayless NL, Fukuyama J, Aziz N, Dekker CL, Mackey S, Swan GE, Davis MM, Blish CA. Pregnancy does not attenuate the antibody or plasmablast response to inactivated influenza vaccine. J Infect Dis. 2015;212:861–870. doi:10.1093/infdis/jiv138. PMID:25740957.
  • Niewiesk S. Maternal antibodies: clinical significance, mechanism of interference with immune responses, and possible vaccination strategies. Front Immunol. 2014;5:446. doi:10.3389/fimmu.2014.00446. PMID:25278941.
  • Nunes MC, Cutland CL, Jones S, Hugo A, Madimabe R, Simões EA, Weinberg A, Madhi SA; Maternal Flu Trial Team. Duration of infant protection against influenza illness conferred by maternal immunization: secondary analysis of a randomized clinical trial. JAMA Pediatr. 2016;170:840–847. doi:10.1001/jamapediatrics.2016.0921. PMID:27380464.
  • Black S, Nicolay U, Vesikari T, Knuf M, Del Giudice G, Della Cioppa G, Tsai T, Clemens R, Rappuoli R. Hemagglutination inhibition antibody titers as a correlate of protection for inactivated influenza vaccines in children. Pediatr Infect Dis J. 2011;30:1081–1085. doi:10.1097/INF.0b013e3182367662. PMID:21983214.
  • Public Health Agency of Canada. Canadian immunization guide chapter on influenza and statement on seasonal influenza vaccine for 2016–2017. Available at: http://www.phac-aspc.gc.ca/naci-ccni/flu-2016-grippe-eng.php Accessed on: July, 11, 2017.
  • National Health System. Children's flu vaccine. Available at: http://www.nhs.uk/conditions/vaccinations/pages/child-flu-vaccine.aspxand Accessed on: July 11, 2017.
  • Public Health Wales. Childhood influenza vaccination programme 2016–17. Available at: http://www.wales.nhs.uk/sitesplus/888/page/69532 Accessed on: July 11, 2017.
  • Immunization Scotland. Child flu. Available at: http://www.immunisationscotland.org.uk/vaccines-and-diseases/seasonalflu/childflu.aspx?utm_campaign=childflu&utm_source=print# Accessed on July 11, 2017.
  • Principi N, Esposito S. Severe influenza in children: incidence and risk factors. Expert Rev Anti Infect Ther. 2016;14:961–968. doi:10.1080/14787210.2016.1227701. PMID:27560100.
  • Ng S, Lopez R, Kuan G, Gresh L, Balmaseda A, Harris E, Gordon A. The timeline of influenza virus shedding in children and adults in a household transmission study of influenza in Managua, Nicaragua. Pediatr Infect Dis J. 2016;35:583–586. doi:10.1097/INF.0000000000001083. PMID:26910589.
  • Neuzil KM, Mellen BG, Wright PF, Mitchel EF Jr, Griffin MR. The effect of influenza on hospitalizations, outpatient visits, and courses of antibiotics in children. N Engl J Med. 2000;342:225–231. doi:10.1056/NEJM200001273420401. PMID:10648763.
  • Izurieta HS, Thompson WW, Kramarz P, Shay DK, Davis RL, DeStefano F, Black S, Shinefield H, Fukuda K. Influenza and the rates of hospitalization for respiratory disease among infants and young children. N Engl J Med. 2000;342:232–239. doi:10.1056/NEJM200001273420402. PMID:10648764.
  • Fuhrman C, Bonmarin I, Paty AC, Duport N, Chiron E, Lucas E, Bitar D, Mailles A, Herida M, Vaux S, et al. Severe hospitalised 2009 pandemic influenza A(H1N1) cases in France, 1 July-15 November 2009. Euro Surveill. 2010;15:pii19463. doi:10.2807/ese.15.02.19463-en.
  • Nguyen-Van-Tam JS, Openshaw PJ, Hashim A, Gadd EM, Lim WS, Semple MG, Read RC, Taylor BL, Brett SJ, McMenamin J, et al. Risk factors for hospitalisation and poor outcome with pandemic A/H1N1 influenza: United Kingdom first wave (May-September 2009). Thorax. 2010;65:645–651. doi:10.1136/thx.2010.135210. PMID:20627925.
  • van 't Klooster TM, Wielders CC, Donker T, Isken L, Meijer A, van den Wijngaard CC, van der Sande MA, van der Hoek W. Surveillance of hospitalisations for 2009 pandemic influenza A(H1N1) in the Netherlands, 5 June – 31 December 2009. Euro Surveill. 2010;15:pii 19461. doi:10.2807/ese.15.02.19461-en.
  • Bettinger JA, Sauve LJ, Scheifele DW, Moore D, Vaudry W, Tran D, Halperin SA, Pelletier L. Pandemic influenza in Canadian children: a summary of hospitalised pediatric cases. Vaccine. 2010;28:3180–3184. doi:10.1016/j.vaccine.2010.02.044. PMID:20189488.
  • Centers for Disease Control and Prevention (CDC). 2009 pandemic influenza A (H1N1) virus infections – Chicago, Illinois, April-July 2009. MMWR Morb Mortal Wkly Rep. 2009;58:913–918. PMID:19713879.
  • Centers for Disease Control and Prevention (CDC). Update: influenza activity–United States, August 30, 2009-January 9, 2010. MMWR Morb Mortal Wkly Rep. 2010;59:38–43. PMID:20094026.
  • Jain S, Kamimoto L, Bramley AM, Schmitz AM, Benoit SR, Louie J, Sugerman DE, Druckenmiller JK, Ritger KA, Chugh R, et al. Hospitalised patients with 2009 H1N1 influenza in the United States, April-June 2009. N Engl J Med. 2009;361:1935–1944. doi:10.1056/NEJMoa0906695. PMID:19815859.
  • New South Wales public health network. Progression and impact of the first winter wave of the 2009 pandemic H1N1 influenza in New South Wales, Australia. Euro Surveill. 2009;14:pii = 19365.
  • Paine S, Mercer GN, Kelly PM, Bandaranayake D, Baker MG, Huang QS, Mackereth G, Bissielo A, Glass K, Hope V. Transmissibility of 2009 pandemic influenza A(H1N1) in New Zealand: effective reproduction number and influence of age, ethnicity and importations. Euro Surveill. 2010;15:pii19591.
  • Presanis AM, De Angelis D, Hagy A, Reed C, Riley S, Cooper BS, Finelli L, Biedrzycki P, Lipsitch M. The severity of pandemic H1N1 influenza in the United States, from April to July 2009: a Bayesian analysis. PLoS Med. 2009;6:e1000207. doi:10.1371/journal.pmed.1000207. PMID:19997612.
  • Tuite AR, Greer AL, Whelan M, Winter AL, Lee B, Yan P, Wu J, Moghadas S, Buckeridge D, Pourbohloul B, et al. Estimated epidemiologic parameters and morbidity associated with pandemic H1N1 influenza. CMAJ. 2010;182:131–136. 40-50. doi:10.1503/cmaj.091807. PMID:19959592.
  • Centers for Disease Control and Prevention (CDC) Influenza-associated pediatric mortality. Available at: https://gis.cdc.gov/grasp/fluview/pedfludeath.html Accessed on: July 7, 2017.
  • Cox CM, Blanton L, Dhara R, Brammer L, Finelli L. 2009 Pandemic influenza A (H1N1) deaths among children–United States, 2009–2010. Clin Infect Dis. 2011;52 Suppl 1:S69–S74. doi:10.1093/cid/ciq011. PMID:21342902.
  • Wong KK, Jain S, Blanton L, Dhara R, Brammer L, Fry AM, Finelli L. Influenza-associated pediatric deaths in the United States, 2004–2012. Pediatrics. 2013;132:796–804. doi:10.1542/peds.2013-1493. PMID:24167165.
  • Baydur A. Influenza vaccination in vulnerable populations. Chest. 2004;125:1971–1972. doi:10.1378/chest.125.6.1971. PMID:15189905.
  • Beard F, McIntyre P, Gidding H, Watson M. Influenza related hospitalisations in Sydney, New South Wales, Australia. Arch Dis Child. 2006;91:20–25. doi:10.1136/adc.2004.060707. PMID:16371373.
  • Brent RL. Risks and benefits of immunizing pregnant women: the risk of doing nothing. Reprod Toxicol. 2006;21:383–389. doi:10.1016/j.reprotox.2005.09.009. PMID:16290279.
  • Brouard J, Vabret A, Nimal D, Bach N, Trippey V, Freymuth F. Emerging viral diseases in pulmonary medicine. Arch Pediatr. 2007;14:649–651. doi:10.1016/j.arcped.2007.02.073. PMID:17419026.
  • Bryant PA, Tebruegge M, Papadakis G, Clarke C, Barnett P, Daley AJ, South M, Curtis N. Clinical and microbiologic features associated with novel swine-origin influenza A pandemic 2009 (H1N1) virus in children: a prospective cohort study. Pediatr Infect Dis J. 2010;29:694–698. 52-56. doi:10.1097/INF.0b013e3181de4b9c. PMID:20458257.
  • Hull HF, Ambrose CS. Current experience with school-located influenza vaccination programs in the United States: a review of the medical literature. Hum Vaccin. 2011;7:153–160. doi:10.4161/hv.7.2.13668. PMID:21311217.
  • Hull HF, Frauendienst RS, Gundersen ML, Monsen SM, Fishbein DB. School-based influenza immunization. Vaccine. 2008;26:4312–4313. doi:10.1016/j.vaccine.2008.06.015. PMID:18577411.
  • Keck PC, Ynalvez MA, Gonzalez HF, Castillo KD. School-located influenza vaccination and absenteeism among elementary school students in a Hispanic community. J Sch Nurs. 2013;29:271–283. doi:10.1177/1059840513486008. PMID:23598571.
  • King JC, Stoddard JJ, Gaglani MJ, Moore KA, Magder L, McClure E, Rubin JD, Englund JA, Neuzil K. Effectiveness of school-based influenza vaccination. N Engl J Med. 2006;355:2523–2532. doi:10.1056/NEJMoa055414. PMID:17167135.
  • Monto AS, Davenport FM, Napier JA, Francis T. Effect of vaccination of a school-age population upon the course of an A2-Hong\sKong influenza epidemic. Bull World Health Organ 1969;41:537–542. PMID:5309469.
  • Glezen WP, Gaglani MJ, Kozinetz CA, Piedra PA. Direct and indirect effectiveness of influenza vaccination delivered to children at school preceding an epidemic caused by 3 new influenza virus variants. J Infect Dis. 2010;202:1626–1633. doi:10.1086/657089. PMID:21028955.
  • Rudenko LG, Slepushkin AN, Monto AS, Kendal AP, Grigorieva EP, Burtseva EP, Rekstin AR, Beljaev AL, Bragina VE, Cox N, et al. Efficacy of live attenuated and inactivated influenza vaccines in schoolchildren and their unvaccinated contacts in Novgorod, Russia. J Infect Dis 1993;168:881–887. doi:10.1093/infdis/168.4.881. PMID:8376833.
  • Reichert TA, Sugaya N, Fedson DS, Glezen WP, Simonsen L, Tashiro M. The Japanese experience with vaccinating schoolchildren against influenza. N Engl J Med. 2001;344:889–896. doi:10.1056/NEJM200103223441204. PMID:11259722.
  • Esposito S, Principi N, Cornaglia G. Barriers to the vaccination of children and adolescents and possible solutions. Clin Microbiol Infect. 2014;20 Suppl. 5:25–31. doi:10.1111/1469-0691.12447. PMID:24354949.
  • Lind C, Russell ML, MacDonald J, Collins R, Frank CJ, Davis AE. School-based influenza vaccination: parents' perspectives. PLoS One. 2014;9:e93490. doi:10.1371/journal.pone.0093490. PMID:24686406.
  • Prosser LA, Meltzer MI, Fiore A, Epperson S, Bridges CB, Hinrichsen V, Lieu TA. Effects of adverse events on the projected population benefits and cost-effectiveness of using live attenuated influenza vaccine in children aged 6 months to 4 years. Arch Pediatr Adolesc Med. 2011;165:112–118. doi:10.1001/archpediatrics.2010.182. PMID:20921341.
  • Jefferson T, Rivetti A, Di Pietrantonj C, Demicheli V, Ferroni E. Vaccines for preventing influenza in healthy children. Cochrane Database Syst Rev. 2012;8:CD004879.
  • Blyth CC, Jacoby P, Effler PV, Kelly H, Smith DW, Robins C, et al. Effectiveness of trivalent flu vaccine in healthy young children. Pediatrics. 2014;133:e1218–e1225. doi:10.1542/peds.2013-3707. PMID:24753525.
  • Blyth CC, Jacoby P, Effler PV, Kelly H, Smith DW, Borland ML, Willis GA, Levy A, Keil AD, Richmond PC, et al. Influenza vaccine effectiveness and uptake in children at risk of severe disease. Pediatr Infect Dis J. 2016;35:309–315. doi:10.1097/INF.0000000000000999. PMID:26646548.
  • Thompson MG, Clippard J, Petrie JG, Jackson ML, McLean HQ, Gaglani M, Reis EC, Flannery B, Monto AS, Jackson L, et al. Influenza vaccine effectiveness for fully and partially vaccinated children 6 months to 8 years old during 2011–2012 and 2012–2013: the importance of two priming doses. Pediatr Infect Dis J. 2016;35:299–308. doi:10.1097/INF.0000000000001006. PMID:26658375.
  • Fu C, Xu J, Lin J, Wang M, Li K, Ge J, Thompson MG. Concurrent and cross-season protection of inactivated influenza vaccine against A(H1N1)pdm09 illness among young children: 2012–2013 case-control evaluation of influenza vaccine effectiveness. Vaccine. 2015;33:2917–2921. doi:10.1016/j.vaccine.2015.04.063. PMID:25921713.
  • Centers for Disease Control and Prevention (CDC). Influenza vaccination information for health care workers. Available at: https://www.cdc.gov/flu/healthcareworkers.htm Accessed on: July 7, 2017.
  • Ottenberg AL, Wu JT, Poland GA, Jacobson RM, Koenig BA, Tilburt JC. Vaccinating health care workers against influenza: the ethical and legal rationale for a mandate. Am J Public Health. 2011;101:212–216. doi:10.2105/AJPH.2009.190751. PMID:21228284.
  • Talbot TR, Schaffner W. On being the first: Virginia Mason Medical Center and mandatory influenza vaccination of healthcare workers. Infect Control Hosp Epidemiol. 2010;31:889–892. doi:10.1086/656211. PMID:20653446.
  • New York State. Dear Colleague Letter: Importance of influenza vaccination for all health care personnel (HCP). Available at:. https://www.health.ny.gov/prevention/immunization/health_care_personnel/dear_colleague_hcp_vaccination.htm. Accessed on: July 7, 2017.
  • Barberis I, Myles P, Ault SK, Bragazzi NL, Martini M. History and evolution of influenza control through vaccination: from the first monovalent vaccine to universal vaccines. J Prev Med Hyg. 2016;57:E115–E120. PMID:27980374.
  • Barberis I, Martini M, Iavarone F, Orsi A. Available influenza vaccines: immunization strategies, history and new tools for fighting the disease. J Prev Med Hyg. 2016;57:E41–E46. PMID:27346939.
  • Centers for Disease Control and Prevention (CDC). Quadrivalent Influenza vaccine. Available at: https://www.cdc.gov/flu/protect/vaccine/quadrivalent.htm Accessed on July 7, 2017.
  • Centers for Disease Control and Prevention (CDC). Vaccination: who should do it, who should not and who should take precautions. Available at: https://www.cdc.gov/flu/protect/whoshouldvax.htm#flu-shot Accessed on: July 7, 2017.
  • Sridhar S, Brokstad KA, Cox RJ. Influenza vaccination strategies: comparing inactivated and live attenuated influenza vaccines. Vaccines (Basel). 2015;3:373–379. doi:10.3390/vaccines3020373. PMID:26343192.
  • Fleming DM, Crovari P, Wahn U, Klemola T, Schlesinger Y, Langussis A, Øymar K, Garcia ML, Krygier A, Costa H, et al. Comparison of the efficacy and safety of live attenuated cold-adapted influenza vaccine, trivalent, with trivalent inactivated influenza virus vaccine in children and adolescents with asthma. Pediatr Infect Dis J. 2006;25:860–869. doi:10.1097/01.inf.0000237797.14283.cf. PMID:17006278.
  • Ashkenazi S, Vertruyen A, Aristegui J, Esposito S, McKeith DD, Klemola T, Biolek J, Kühr J, Bujnowski T, Desgrandchamps D, et al. Superior relative efficacy of live attenuated influenza vaccine compared with inactivated influenza vaccine in young children with recurrent respiratory tract infections. Pediatr Infect Dis J. 2006;25:870–879. doi:10.1097/01.inf.0000237829.66310.85. PMID:17006279.
  • Belshe RB, Coelingh K, Ambrose CS, Woo JC and Wu X. Efficacy of live attenuated influenza vaccine in children against influenza B viruses by lineage and antigenic similarity. Vaccine. 2010;28:2149–2156. doi:10.1016/j.vaccine.2009.11.068. PMID:20003926.
  • Joint Committee on Vaccination and Immunisation (JCVI). JCVI statement on the annual influenza vaccination programme – extension of the programme to children. Available at: https://www.gov.uk/government/publications/jcvi-statement-on-the-routine-annual-influenza-vaccination-programme. Accessed on: October 3, 2016.
  • Grohskopf LA, Olsen SJ, Sokolow LZ, Bresee JS, Cox NJ, Broder KR, Karron RA, Walter EB; Centers for Disease Control and Prevention. Prevention and control of seasonal influenza with vaccines: recommendations of the Advisory Committee on Immunization Practices (ACIP)—United States, 2014–15 influenza season. MMWR Morb Mortal Wkly Rep. 2014;63:691–697. PMID:25121712.
  • Public Health Agency of Canada. Canadian immunization guide chapter on influenza and statement on seasonal influenza vaccine for 2016–2017. Available at: http://www.phac-aspc.gc.ca/naci-ccni/flu-2016-grippe-addendum-children-enfants-eng.php#footnote28. Accessed on: July 7, 2017.
  • Public Health England. Use of live attenuated influenza vaccine (LAIV) FluMist quadrivalent: frequently asked questions for healthcare workers. Available at: https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/469992/Q_A_for_FluMist_Quadrivalent.pdf. Accessed on: July 7, 2017.
  • Department of Health Protection. Seasonal childhood influenza vaccinations. Experiences from Finland. Available at: http://www.nvm2016.is/sites/default/files/Nohynek_NorVac_influenzaLessonsNohynek_short.pdf. Accessed on: July 7, 2013.
  • Esposito S, Montinaro V, Groppali E, Tenconi R, Semino M, Principi N. Live attenuated intranasal influenza vaccine. Hum Vaccin Immunother. 2012;8:76–80. doi:10.4161/hv.8.1.18809. PMID:22251995.