Increased risk of SARS-CoV-2 reinfection associated with emergence of the Omicron variant in South Africa

Objective: To examine whether SARS-CoV-2 reinfection risk has changed through time in South Africa, in the context of the emergence of the Beta, Delta, and Omicron variants Design: Retrospective analysis of routine epidemiological surveillance data Setting: Line list data on SARS-CoV-2 with specimen receipt dates between 04 March 2020 and 27 November 2021, collected through South Africa’s…

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Source: medRxiv
Categories: Infectious Disease, Latest Headlines
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Tweets with this article
Dr Alexandra Phelan
Unfortunate early (preprint) data from Sth Africa indicating that Omicron "is associated with substantial ability to evade immunity *from prior infection*" https://t.co/mture2zz2m ht @_b_meyer @florian_krammer https://t.co/x1lX2RMVwb
Chris Bennett, MD
Interesting new @medrxivpreprint looking at reinfection risk associated with #Omicron #COVID19 variant in South Africa. Authors report that #Omicron (compared Beta and Delta) *increases* reinfection risk. https://t.co/XYGqJei5Mw https://t.co/u39zBX5byq
David Gorski, MD, PhD
But, but, but...I thought that "natural immunity" was close to perfect immunity. It's what antivaxxers tell me. Yet here comes this preprint showing that #Omicron is associated with a three-fold increased risk of RE-infection. If its results hold up... https://t.co/8xvn7JW55x

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