Influenza vaccination in health-care workers: an evaluation of an on-site vaccination strategy to increase vaccination uptake in HCWs of a South Italy Hospital

Figures & data

Figure 1. Vaccination coverage (%) of Bari Policlinico HCWs, per clinical specialty. Influenza seasons 2016/17 and 2017/18

Table 1. Characteristics of vaccinated HCWs, per influenza season (2016/17 vs. 2017/18)

Characteristic	2016/17 season (n = 295)	2017/18 season (n = 482)
Age; mean±SD (range)	43.4 ± 13.5 (26.0–70.0)	45.5 ± 13.2 (25.0–70.0)
Female gender; n (%)	149 (50.5%)	254 (50.8%)
Professional category; n (%)
● physician	223 (75.6%)	295 (61.3%)
● nurse	17 (5.8%)	48 (10.0%)
● other	55 (18.6%)	139 (28.7%)
At least one chronic disease*; n (%)	147 (49.8%)	237 (49.2%)
● allergy	87 (29.5%)	102 (21.2%)
● cardiopathy	38 (12.9%)	60 (12.4%)
● endocrinopathy	29 (9.8%)	59 (11.8%)
● respiratory disease	7 (2.4%)	14 (2.9%)
● gastrointestinal disease	9 (3.1%)	14 (2.9%)
● tumor	4 (1.4%)	7 (1.5%)
● nephropathy	1 (0.3%)	2 (0.4%)
● other	11 (3.7%)	26 (5.4%)

*finding multiple diseases in many HCWs.

Table 2. Vaccination coverage in the 8 OUs target of the on-site vaccination, 2016/17 and 2017/2018 influenza seasons, per professional category

	2016/17 influenza season			2017/18 influenza season
Professional category	n	n. vaccinated	CV (%)	n	n. vaccinated	CV (%)
Nurse	290	5	1.7%	290	20	6.9%
Physician	309	62	22.3%	302	90	45.6%
Other	108	4	2.7%	108	16	13.5%
Overall HCWs	707	71	10.0%	700	126	18.0%

Figure 2. Vaccine coverage (%) of Operative Units target of the on-site vaccination, influenza seasons 2016/17 and 2017/18

Figure 3. Difference of vaccine coverage (%) between influenza seasons 2016/17 and 2017/18, per Operative Units and typology of vaccination strategy

Table

OU	Operative Unit
ECDC	European Centre for Disease Prevention and Control
CDC	Centers for Disease Control and Prevention