From a vaccination site in the desert West to a grade school on the Eastern seaboard, President Joe Biden’s top messengers -- his vice president and wife among them -- led a cross-country effort Monday to highlight the benefits of his huge COVID relief plan.
As millions continue to wait their turn for the COVID-19 vaccine, small but steady amounts of the precious doses have gone to waste across the country.
A new study raised questions about how well COVID-19 vaccines protect organ transplant recipients — and what precautions people with suppressed immune systems should take after the shots.
A cascading number of European countries — including Germany, France, Italy and Spain — suspended use of AstraZeneca’s COVID-19 vaccine Monday over reports of dangerous blood clots in some recipients, though the company and international regulators say there is no evidence the shot is to blame.