by Gertrud U. Rey Herd immunity occurs when a large enough percentage of the population has acquired either natural or vaccine-induced immunity against an infectious disease, thereby indirectly protecting a minority of non-immune individuals who are dispersed throughout the population. During this pandemic, many prominent scientists have stated that it is impossible to achieve herd …
Rhesus macaques that are vaccinated against SARS-CoV-2 are protected from severe disease and probably transmit very little virus when infected with SARS-CoV-2 one year later.
A heterologous vaccine regimen consisting of a first dose of the AstraZeneca vaccine and a second dose of the Pfizer vaccine induces a stronger immune response than a regimen consisting of two doses of the AstraZeneca vaccine.
It is slowly becoming clear that the immunity induced by SARS-CoV-2 vaccination is of overall better quality than that induced by COVID-19.
The TWiVers analyze efficacy of the AstraZeneca/Oxford adenovirus vectored vaccine, SARS-CoV-2 did not infect miners who became ill 8 years ago after cleaning bat guano from a cave in Yunnan Province, and induction of antigen-specific germinal center responses and production of neutralizing antibody by SARS-CoV-2 mRNA vaccine but not purified protein. Click arrow to playDownload TWiV …
Daniel Griffin provides a clinical report on COVID-19, then we discuss rapid deployment of SARS-CoV-2 testing by research laboratories in San Francisco, longitudinal observation of antibodies to SARS-CoV-2 in patients, and listener questions on vaccines, loss of smell, face masks, and more. Click arrow to playDownload TWiV 677 (97 MB .mp3, 162 min)Subscribe (free): iTunes, Google Podcasts, RSS, email Become …
TWiV 677: Does antibody really know what time it is? Read More »
