MMR vaccine could protect against COVID-19, study shows — ScienceDaily

The measles-mumps-rubella (MMR) vaccine has been theorized to provide protection against COVID-19. In a new study published in mBio, an open-access journal of the American Society for Microbiology, researchers provide further proof of this by showing that mumps IgG titers, or levels of IgG antibody, are inversely correlated with severity in recovered COVID-19 patients previously vaccinated with the MMR II vaccine produced by Merck. MMR II contains the Edmonston strain of measles, the Jeryl Lynn (B-level) strain of mumps, and the Wistar RA 27/3 strain of rubella.

“We found a statistically significant inverse correlation between mumps titer levels and COVID-19 severity in people under age 42 who have had MMR II vaccinations,” said lead study author Jeffrey E. Gold, president of World Organization, in Watkinsville, Georgia. “This adds to other associations demonstrating that the MMR vaccine may be protective against COVID-19. It also may explain why children have a

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