Enlarge (credit: Getty| NurPhoto) A board of independent experts tasked with monitoring the data and safety of AstraZeneca’s COVID-19 vaccine trial has raised a red flag about the company’s press release yesterday, which trumpeted that the vaccine was 79 percent effective at preventing symptomatic COVID-19. In the wee hours of Tuesday, the National Institute of […]
Enlarge / Vials of the AstraZeneca COVID-19 vaccine are seen during the opening of a vaccination centre in Cyprus, on March 22, 2021. (credit: Getty | Etienne Torbey) Exceeding expectations, AstraZeneca’s two-dose COVID-19 vaccine appeared highly effective against symptomatic and severe disease in a new late-stage trial conducted partly in the US. The company said […]
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Enlarge / Vials in front of the AstraZeneca British biopharmaceutical company logo are seen in this creative photo taken on 18 November 2020. (credit: Getty| NurPhoto) Dismal preliminary data on AstraZeneca’s COVID-19 vaccine in South Africa—where the B.1.351/ 501Y.V2 coronavirus variant is spreading widely—lead the government there to rethink its vaccination rollout and raised further […]
Johnson & Johnson’s long-awaited vaccine appears to protect against COVID-19 with just one shot – not as strong as some two-shot rivals but still potentially helpful for a world in dire need of more doses. J&J said Friday that in the U.S. and seven other countries, the single-shot vaccine was 66% effective overall at preventing moderate […]
Health authorities in Norway say there’s no evidence of a direct link between the recent string of deaths among elderly people inoculated against COVID-19, and the vaccine they received. The Norwegian Medicines Agency is seeking to address fears that taking the vaccine might be too risky, after 33 people in the country aged 75 and over died […]
Global gaps in access to Covid-19 vaccines are raising concerns that the continued spread of the coronavirus will breed more dangerous versions of the pathogen, weakening medical weapons and further crippling economies. In a race to catch up with emerging coronavirus variants, wealthy countries are already benefiting from potent vaccines. While the U.S., Britain and […]