- Data Covid-19 USA — The announcement that Gov. Greg Abbott had tested positive for the coronavirus came amid a pitched battle over public health measures in schools and a new surge in hospitalizations.
- Data Covid-19 USA — Scientific understanding of the coronavirus variant is changing quickly. Here’s a recap of the most important findings.
France is handing out third shots of the two-dose vaccines to cancer patients and others with immune system impairments. In the United States, patients like these are on their own.
New scientific research underscores the effectiveness of vaccines and their versatility in the fight against the coronavirus.
Blood drawn from nine people in the earliest days of the pandemic tested positive for the infection. But some experts questioned the results.
Important immune cells survive in the bone marrow of people who were infected with the virus or were inoculated against it, new research suggests.
The research adds to a growing number of findings suggesting the Pfizer and Moderna shots are protective against the variants identified so far.
The U.S. government invested $800 million in plasma when the country was desperate for Covid-19 treatments. A year later, the program has fizzled.
Many cannot produce enough infection-fighting cells to fend off the coronavirus. But researchers are testing one therapy that may help: monoclonal antibodies.
New studies from Germany and Norway examined cases involving mostly younger people who developed serious and sometimes fatal blood disorders.
Multiple studies show that there are antibodies in a vaccinated mother’s milk. This has led some women to try to restart breastfeeding and others to share milk with friends’ children.
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