Some immune system memory persists year after infection; COVID from Omicron also less severe for pregnant women - Yahoo News

A year after infection with the coronavirus, when antibodies in the blood are barely detectable, the immune system continues to "remember" the virus and...

By Nancy Lapid (Reuters) - The following is a summary of some recent studies on COVID-19. They include research that warrants further study to corroborate the findings and that has yet to be certifi… [+3651 chars]

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