Free Republic

(CNN)Using the Johnson & Johnson vaccine as a booster for people initially immunized with the Pfizer/BioNTech vaccine produces a strong immune response and may do more to elicit protection against severe disease, researchers reported Sunday. Their small study of 65 volunteers who all initially got two doses of Pfizer/BioNTech's vaccine showed that using the J&J Janssen vaccine as a booster produced a slower but more sustained antibody response against the original strain of the virus, as well as the Delta and Beta variants, they said.... ...after four weeks, antibody levels began to drop off in people who got boosted with...

Booster doses are most recommended for adults age 65 and up, who generally don't have the same kind of strong, lasting immune response to vaccines as younger people. But there's no federal guidance about whether people who've gotten Moderna's or Johnson & Johnson's COVID-19 vaccines might need a boost. Emerging evidence suggests that people on #TeamModerna may not need a booster as much as others. Last week, the Centers for Disease Control and Prevention released data sets from hospitals around the country. That data is starting to indicate that people who got Moderna's vaccine are less likely to be hospitalized...