Thousands of people received convalescent plasma as an experimental treatment for Covid. A new study shows that it works — but only when given within a few days of the onset of illness.
Tag: Clinical Trials
Scientists Debate New Covid-19 Vaccination Tactics as Rollout Falters
Should second doses be delayed? Should most adults receive half-doses? Scientists are pondering ways to get more shots into more arms.
India Approves Oxford-AstraZeneca Covid-19 Vaccine and 1 Other
The approvals, which include a shot developed by Bharat Biotech, an Indian pharmaceutical company, begin a vast campaign to inoculate the hard-hit nation’s 1.3 billion people.
Britain Opens Door to Mix-and-Match Vaccinations, Worrying Experts
If a second dose of one vaccine isn’t available, another may be substituted, according to the guidelines.
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.
For Covid-19 Vaccines, Some Are Too Rich — and Too Poor
Global inequality is shaping which countries get vaccines first. In South Africa, people’s best chance for vaccines anytime soon is to join an experimental trial.
Trial of High-Dose Blood Thinners in I.C.U. Coronavirus Patients Is Halted
Giving anticoagulants to hospitalized Covid-19 patients is routine. But high doses may sometimes do more harm than good, a safety board finds.
What People With Allergies Should Know About Covid Vaccines
Four people so far have had allergic reactions after getting the Pfizer-BioNTech vaccine. Experts say that shouldn’t deter most people from getting a jab.
F.D.A. Panel Endorses Moderna’s Coronavirus Vaccine
An advisory group’s recommendation will mean millions more Americans can be inoculated, extending protection against Covid beyond major urban areas into rural and suburban regions.