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Pathogens and Global Health Volume 115, 2021 - Issue 1
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Commentary

Evolving virulence? Decreasing COVID-19 complications among Massachusetts healthcare workers: a cohort study

Fan-Yun Lana Department of Occupational and Environmental Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan;b Department of Environmental Health, Harvard University T.H. Chan School of Public Health, Boston, MA, USA
,
Robert Fillerb Department of Environmental Health, Harvard University T.H. Chan School of Public Health, Boston, MA, USA
,
Soni Mathewc Cambridge Health Alliance, Harvard Medical School, Cambridge, MA, USA
,
Eirini Iliakic Cambridge Health Alliance, Harvard Medical School, Cambridge, MA, USA
,
Rebecca Osgoodc Cambridge Health Alliance, Harvard Medical School, Cambridge, MA, USA
,
Lou Ann Bruno-Murthac Cambridge Health Alliance, Harvard Medical School, Cambridge, MA, USA
&
Stefanos N. Kalesc Cambridge Health Alliance, Harvard Medical School, Cambridge, MA, USA;b Department of Environmental Health, Harvard University T.H. Chan School of Public Health, Boston, MA, USACorrespondence[email protected]
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Pages 4-6 | Published online: 14 Nov 2020
 
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Highlights

  • The hypothesis of attenuating SARS-CoV-2 virulence has been raised.

  • COVID-19 complications among healthcare workers are decreasing.

  • The virulence of SARS-CoV-2 is likely evolving.

Disclosure statement

S.N.K. has received COVID-19-related consulting fees from Open Health. All other authors declare no competing interests.

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