SAN FRANCISCO -- Another COVID-19 vaccine -- AstraZeneca -- is poised to arrive in the U.S., bringing a fourth option for Americans. Each vaccine is administered slightly differently, some can result ...
Flu A and flu B are the most common strains of the flu that circulate in humans. The U.S. is currently in the middle of flu season, with a high number of cases reported across the country. There are ...
US vaccine policy is rapidly changing—and increasingly pitting federal and state vaccine regulators against one another. Most recently, states on both coasts have formed regional networks with the ...
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