Can COVID-19 vaccines affect my period?

Can COVID-19 vaccines affect my period? It’s not known, but researchers are starting to study the issue. Vaccines are designed to activate your immune system, and some experts have wondered if that could temporarily disrupt menstrual cycles. So far, reports…

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What the Coronavirus Variants Mean for Testing

Most tests should be able to detect the variants of concern, but test developers and health officials must remain vigilant, scientists say. By Emily Anthes In January 2020, just weeks after the first Covid-19 cases emerged in China, the full…

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