New data from several vaccine trials offer positive signs, but many public health experts say emerging variants mean the next few months will be a race against the virus.
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Pregnant Women May Receive Covid Vaccines Safely, W.H.O. Says
The change aligns the organization with the guidance from the U.S. Centers for Disease Control and Prevention.
Pregnant Women Get Conflicting Advice on Covid-19 Vaccines
The W.H.O. and the C.D.C. provide differing views, and experts partly blame a lack of data because expectant mothers have been excluded from clinical trials.
In Crises, Vaccines Can Be Stretched, but Not Easily
Shortages of shots for yellow fever, polio and other diseases have led to innovative solutions even in very poor countries.
6 Months Later, Covid Survivors Plagued by Health Problems
A large study of patients from a Wuhan, China hospital showed that a half-year later, three-quarters were struggling with problems like fatigue, depression and diminished lung function.
Pfizer Says Its Vaccine Works Against Key Mutation in Contagious Variants
It’s good news, but experts cautioned that the new variants from Britain and South Africa also carry other potentially dangerous mutations that have not yet been investigated.
U.K. Authorizes Covid-19 Vaccine From Oxford and AstraZeneca
Health officials hope to soon vaccinate up to two million people per week as the country’s hospitals are overwhelmed by cases of a new, more contagious coronavirus variant.
Britain Authorizes Covid-19 Vaccine From Oxford and AstraZeneca
Health officials are hoping to soon vaccinate a million people per week as the country’s hospitals are overwhelmed by cases of a new, more contagious variant of the virus.
He Was Hospitalized for Covid-19. Then Hospitalized Again. And Again.
Significant numbers of coronavirus patients experience long-term symptoms that send them back to the hospital, taxing an already overburdened health system.