AstraZeneca expects updated COVID-19 vaccine by autumn
LONDON — AstraZeneca said Thursday it expects to have a new version of its COVID-19 vaccine ready for use by this autumn as drugmakers...
How are experts tracking variants of the coronavirus?
How are experts tracking variants of the coronavirus?
Scientists are scanning virus samples taken from infected people to look for mutations, through a process called...
A third of US adults skeptical of COVID shots
NEW YORK — About 1 in 3 Americans say they definitely or probably won’t get the COVID-19 vaccine, according to a new poll that...
WHO expert group recommends use of AstraZeneca vaccine
Independent experts advising the World Health Organization about immunization on Wednesday recommended the use of AstraZeneca’s vaccine even in countries that turned up worrying...
US vaccine drive complicated by 1st, 2nd dose juggling act
The U.S. has entered a tricky phase of the COVID-19 vaccination effort as providers try to ramp up the number of people getting first...
New variants raise worry about COVID-19 virus reinfections
Evidence is mounting that having COVID-19 may not protect against getting infected again with some of the new variants. People also can get second...
UK vaccine gambles paid off, while EU caution slowed it down
SAINT-HERBLAIN, France — French pharmaceutical startup Valneva had big news in September: a government contract for 60 million doses of its coronavirus vaccine candidate.
The...
Which COVID-19 tests are required for international travel?
Which COVID-19 tests are required for international travel?
It depends on where you're going.
In an effort to limit the spread of new coronavirus variants, many...
Unwilling to wait, poorer countries seek their own vaccines
NEW DELHI — With coronavirus cases still climbing, Honduras got tired of waiting to get vaccines through a United Nations program, so the small...
UK to start hotel quarantine Feb. 15 amid criticism of delay
LONDON — Everyone arriving in the U.K. from countries identified as coronavirus hotspots will have to spend 10 days in hotel quarantine starting Feb....
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