By LAURAN NEERGAARD and LINDA A. JOHNSON Associated Press The first one-shot COVID-19 vaccine provides good protection against the illness, Johnson & Johnson reported in a key study released Friday, offering the world a potentially important new tool as it races to stay ahead of the rapidly mutating virus. The pharmaceutical giant's preliminary findings suggest the single-dose option may not be as strong as Pfizer's or Moderna's two-dose formula, and was markedly weaker against a worrisome mutated version of the virus in South Africa. But amid a rocky start to vaccinations worldwide, that may be an acceptable trade-off to get […]
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