Moderna Inc announced today that its Covid-19 vaccine produced antibodies that kill the virus in laboratory tests against new coronavirus strains first identified in Britain and South Africa.……
Two doses of Moderna Covid-19 vaccine are expected to protect against virus strains identified to date, announced the company.
Moderna has announced, however, that it will test a booster of the South African variant vaccine in pre-clinical trials to see if it will be more effective in boosting antibodies against this variant and other future variants..
Although all viruses are constantly mutating, Scientists worry about mutations discovered in Britain and South Africa because they believe they are capable of altering significant functions of the virus.