Alex Sigal und Omicron Person-Info 

( Ich bin Alex Sigal)
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Omicron infection may increase immunity against Delta variant, study...

www.mercurynews.com
· ... according to the authors led by Alex Sigal and Khadija Khan of the Durban, South Africa-based Africa Health Research Institute.

Pfizer Vaccine Has 23% Efficacy Vs. Omicron Variant: Study | Time

time.com
A two-shot course of Pfizer’s vaccine has just 22.5% efficacy against symptomatic infection with the omicron variant, but can thwart severe disease, according...

Covid: Vaccines should work against Omicron variant, WHO sayswww.bbc.com › news › world

www.bbc.com
· But Omicron's ability to escape vaccine antibodies is "incomplete", said Prof Alex Sigal, a virologist at the Africa Health Research ...

Covid study suggests catching Omicron strain may protect against...

www.dailymail.co.uk
Africa Health Research Institute scientists found Omicron fighting antibody levels spiked 14-fold, but those against Delta also rose 4-fold. The tests were...
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