Moderna is accelerating work on a Coronavirus (COVID-19) vaccine booster shot to guard against the recently discovered variant in South Africa.

The company’s researchers said its current coronavirus vaccine appears to work against the two highly transmissible strains found in the U.K. and South Africa, although it looks like it may be less effective against the latter.

The two-dose vaccine produced an antibody response against multiple variants, including B.1.1.7 and B.1.351, which were first identified in the U.K. and South Africa, respectively, according to a Moderna study conducted in collaboration with the National Institute of Allergy and Infectious Diseases. The study has not yet been peer reviewed.

The vaccine generated a weaker immune response against the South African strain, but the antibodies remained above levels that are expected to be protective against the virus, the company said

This article was originally written by Berkeley Lovelace Jr. for CNBC on January 25, 2021:
http://cnb.cx/36YmQ4i

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