Moderna's variant-targeting booster shot appears to be protective against the strain of the virus first identified in South Africa, the company says.
A third dose, given six to eight months after the first round, appeared to be effective against variants first found in Brazil and South Africa.
Apu Gomes / AFP via Getty Images fileMay 5, 2021, 8:20 PM UTCByErika EdwardsModerna's variant-targeting booster shot appears to be protective against the strain of the virus first identified in South Africa, the company announced Wednesday.Interim data from Moderna's Phase 2 clinical trials indicate that a third dose, tweaked to match the so-called B.1.351 variant, increased levels of antibodies against the virus. The booster was given six to eight months after the participants had been initially vaccinated.
Full coverage of the coronavirus outbreakIn a statement, Moderna's chief executive officer, Stéphane Bancel, said the results are encouraging and credited the vaccine's mRNA technology with offering speed and precision in keeping up with changing viruses.
"Our mRNA platform allows for rapid design of vaccine candidates that incorporate key virus mutations, potentially allowing for faster development of future alternative variant-matched vaccines should they be needed," Bancel said.April 29, 2021 headtopics.com
04:18In February, the Food and Drug Administration issued guidance that would allow drugmakers to make modified Covid-19 therapeutics available to the public without the need for lengthy clinical trials — similar to how flu shots are updated each year without long studies.Read more: MSNBC »
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