Recent studies have created doubts about an agent in cytokine storms, and suggest that treatments for it may not help.
The nation’s supply of N95 masks and other critical protective gear is again under strain as Covid-19 infections surge and hospitals stockpile supplies.
COVID-19 vaccines: development, evaluation, approval and monitoring
Lack of nurses combined with staff absence may risk NHS patient safety, says Royal College of Nursing.
How Bermuda’s swift response to the pandemic made a safe—and relaxing—vacation possible.
Harvard immunology experts comment on studies regarding antibodies in COVID-19 patients diminishing over time.
The northern Italian city is largely being spared the second wave that is spreading across the country and Europe, possibly thanks to a degree of immunity from the spring outbreak.
The fright before Christmas