Category: Janssen

South Korea: Nearly half of recent Covid cases in Seoul are vaccine breakthrough infections

“Of the 646 new cases confirmed in Seoul on Sunday, 49.4 percent, or 319 cases, were breakthrough cases,” Park Yoo-mi, a disease control official at the Seoul metropolitan government, said in a briefing.  More...

Coronaheadsup.com Asia, Astrazeneca, B.1.617.2, Coronavirus, Deaths, Delta, Hospitalization, Infection, Janssen, Moderna, Pfizer/Biontech, South Korea, Transmission, Vaccine, Vaccine Breakthrough, Vaccine Waning

Preprint: Breakthrough SARS-CoV-2 infections in 620,000 U.S. Veterans – protection decreased from 92% to 54%

We compared SARS CoV-2 infection by vaccination status from February 1, 2021 to August 13, 2021 in the Veterans Health Administration, covering 2.7% of the U.S.  More...

Coronaheadsup.com America, B.1.617.2, Coronavirus, Delta, Healthcare, Herd Immunity, Hospitalization, Infection, Janssen, Moderna, Pfizer/Biontech, Revaccination, Testing, Transmission, USA, Vaccine, Vaccine Breakthrough, Vaccine Waning

Cornell University: 95% Covid vaccinated, 322 infections in one week

Cornell University, which has a population of around 40,000 and a 95% Covid-19 vaccination rate, was declared a “yellow zone” after their first week of classes because 322 people there tested positive for the coronavirus during the opening “surveillance testing.”    More...

Coronaheadsup.com Coronavirus, Infection, Janssen, Moderna, New York State, PCR, Pfizer/Biontech, Superspreader events, Testing, Transmission, USA, Vaccine, Vaccine Breakthrough, Vaccine Waning