Moderna, Pfizer test vaccine strategies against new variants

  • By cvbizz
  • February 25, 2021
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Vaccine makers Pfizer and Moderna are trying to get out ahead of some of the new coronavirus variants that are causing concern around the world.Although there’s no evidence people immunized with either vaccine have less protection against the variants, both companies said they have started looking at ways to account for evolving mutations.Especially worrying is the B.1.351 variant first seen in South Africa. It carries


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