Reinfections with Omicron subvariants are rare, Danish study finds
COPENHAGEN - Getting infected twice with two different Omicron coronavirus subvariants is possible, but rarely happens, a Danish study has ...
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Sunday, July 6, 2025
Tag: #human immune system
How Omicron highlights fading hope of herd immunity from Covid
CHICAGO - The Omicron variant, which is spreading far faster than previous versions of the coronavirus, is not likely to ...
Vaccines appear weak at blocking Omicron, better against severe disease
The following is a summary of some recent studies on Covid-19. They include research that warrants further study to corroborate ...
Swiftly waning Covid-19 immunity poses vaccination challenge
LONDON - Emerging evidence that the body’s immune defence against Covid-19 may be short-lived makes it even harder for vaccine developers ...
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