Protection from COVID reinfections plummeted from 80% to 5% with omicron
With the rise of omicron came the fall of long-lasting protection from reinfection with the pandemic coronavirus SARS-CoV-2, ...
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Natural immunity to SARS-CoV-2 weakened significantly after Omicron’s emergence
Findings indicate a sharp drop in immunity after Omicron infection, stressing the necessity for updated vaccines to enhance ...
Long COVID: women at greater risk compared to men – could immune system differences be the cause?
While researchers don’t currently know why women are at greater risk of long COVID, differences in the way men’s and women’s ...