by Kaiser Permanente Credit: Pixabay/CC0 Public Domain Kaiser Permanente research published on December 15, 2021 in The British Medical Journal showed 2 doses of Moderna COVID-19 vaccine were highly effective against all SARS-CoV-2 variants; however, vaccine effectiveness against the delta variant moderately declined with increasing time after vaccination. “We conducted a previous study that showed...
by Erik Robinson, Oregon Health & Science University Credit: Pixabay/CC0 Public Domain A new laboratory study from Oregon Health & Science University finds that blood serum drawn from people previously vaccinated or naturally infected show “significantly reduced” defense against two widely circulating variants of the novel coronavirus SARS-CoV-2. Researchers said that their findings emphasize the importance of...
