(CNN) --La primera dama de Estados Unidos, Jill Biden, dio positivo por covid-19 y tiene síntomas leves, según informó la Casa Blanca. El contagio se produjo justo cuando la cantidad de los casos de ...
Helen Branswell covers issues broadly related to infectious diseases, including outbreaks, preparedness, research, and vaccine development. Follow her on Mastodon and Bluesky. You can reach Helen on ...
March 11 marks the fourth anniversary of the World Health Organization’s declaration that the COVID-19 outbreak was a pandemic. COVID-19 hasn’t gone away, but there have been plenty of actions that ...
Yearly Covid-19 Booster Recommendations in Canada, Europe, and Australia. Although the rapid development of multiple Covid-19 vaccines in 2020 represents a major scientific, medical, and regulatory ...
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