A new study says the one-dose Johnson & Johnson vaccine provides less protection against the Delta and Lamba variants than against the original COVID-19 strain.
provides less protection against the Delta and Lamba variants than against the original COVID-19 strain., said the J&J vaccine’s effectiveness in neutralizing those two variants was “significantly decreased” over time. may need to get a second shot, perhaps with the Moderna or Pfizer-BioNTech vaccines, to achieve good protection against variants, the study said.
"The message that we wanted to give was not that people shouldn’t get the J&J vaccine, but we hope that in the future, it will be boosted with either another dose of J&J or a boost with Pfizer or Moderna," Nathaniel Landau, PhD, a virologist at NYU’s Grossman School of Medicine who led the study, toldThe findings of the new study are somewhat different from
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