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She also stated that the vaccine "continues to prevent severe illness, hospitalization, and death", even against the delta variant. [11] A July 2021 study in the New England Journal of Medicine reported that the Pfizer–BioNTech COVID-19 vaccine was 88 percent effective in preventing symptomatic infections caused by the delta variant.
A study by a group of researchers from the Francis Crick Institute, published in The Lancet, shows that humans fully vaccinated with the Pfizer-BioNTech vaccine are likely to have more than five times lower levels of neutralizing antibodies against the Delta variant compared to the original COVID-19 strain.
Scientists remain focused on Delta, now the dominant variant rising rapidly around the world, but are tracking others to see what may one day take its place. It is striking unvaccinated ...
The Delta variant, also known as B.1.617.2, G/452R.V3, 21A [75] or 21A/S:478K, [97] was a globally dominant variant that spread to at least 185 countries. [137] It was first discovered in India . Descendant of lineage B.1.617, which also includes the Kappa variant under investigation, it was first discovered in October 2020 and has since spread ...
The recent increase in coronavirus cases in the U.S. amid ongoing vaccine hesitancy has led to many public health officials calling for states to reconsider their relaxation of COVID restrictions.
With a new wave of COVID-19 infections fueled by the Delta variant striking countries worldwide, disease experts are scrambling to learn whether the latest version of coronavirus is making people ...
In the UK, 15,121 health care workers from 104 hospitals who had tested negative for antibodies prior to the study, were followed by RT-PCR tests twice a week from 7 December 2020 to 5 February 2021, a study compared the positive results for the 90.7% vaccinated share of their cohort with the 9.3% unvaccinated share, and found that the Pfizer ...
Moderna Inc's COVID-19 vaccine produced neutralizing antibodies against emerging variants, including the Delta variant first identified in India, in a lab study, the drugmaker said on Tuesday.