Healthy, young volunteers who have previously been infected with COVID-19 are deliberately exposed to a second coronavirus to see how the immune system responds as part...
U.S. health officials have approached but decided to simply warn about the risk of blood clotting with Johnson & Johnson’s Covid-19 vaccine. It is recommended to...
Health officials say the epidemic of new coronavirus variants, increased travel, and pandemic fatigue have spurred a new increase in Covid-19 cases in Maine, with more...
The United States is unlikely to face a “true” fourth wave of COVID-19 outbreaks, but the country will have to wait a few weeks longer before...
Countries are competing to vaccinate adults against Covid-19 and move towards a more normal future. The shot must eventually reach the arms of children and teenagers...
New Zealand has ordered 8.5 million doses of the Pfizer-BioNTech Covid-19 vaccine. This will be available by most kiwis later this year. Photo / AP Sounds...
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