Pfizer-BioNTech Covid-19 vaccine works just as well against variant first detected in U.K., study indicates

The Covid-19 vaccine from Pfizer-BioNTech appears to work just as well against a fast-spreading variant of the coronavirus first identified in the United Kingdom as it does against earlier forms of the pathogen, the companies reported in a study Wednesday.
The paper from company scientists, which has not yet been peer-reviewed, is a welcome signal that existing vaccines don’t seem to be weakened by the variant in question, dubbed B.1.1.7. Already, scientists had tested the Pfizer vaccine against one of the key mutations in the variant and found the immunization’s neutralization power was not affected . Read the rest…