The Pfizer-BioNTech and AstraZeneca-Oxford vaccines are both effective, and work against the more contagious virus variant in Britain, researchers found.
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People Who Have Had Covid Should Get Single Vaccine Dose, Studies Suggest
New studies show that one shot of a vaccine can greatly amplify antibody levels in those who have recovered from the coronavirus.
Studies Suggest People Who Had Covid-19 Should Get Single Vaccine Dose
New studies show that one shot of a vaccine can greatly amplify antibody levels in those who have recovered from the coronavirus.
Delays Turn Canada’s Covid Vaccination Optimism Into Anxiety
After quickly approving a vaccine and getting an early start to inoculations, Canadians worry as the country falls behind in vaccinations.
Your Wednesday Briefing
Sprawling winter storms across the U.S.
Your Tuesday Briefing
New hotel quarantines in Britain.
Solidarity Is Not an Easy Sell as E.U. Lags in Vaccine Race
Europe’s collective vaccine purchase is an experiment in deeper integration. Despite a rocky start, many countries still stand to benefit, but it’s the most powerful who have least to gain.
Where Do Vaccine Doses Go, and Who Gets Them? The Algorithms Decide
Health agencies and hospitals are using different formulas to allocate the coronavirus shots, exacerbating disparities in vaccine access.
Israel’s Covid Vaccination Results Point a Way Out of Pandemic
Covid cases fell dramatically and quickly among people who were vaccinated, Israeli studies found. It’s the strongest evidence yet that a robust vaccination program can tame the pandemic.