Vaccine Waning Archives - Page 24 of 28

mRNA vaccine booster dose antibodies – quantity not quality

“These results suggest that boosting vaccinated individuals with currently available mRNA vaccines would produce a quantitative increase in plasma neutralizing activity but not the qualitative advantage against variants obtained by vaccinating convalescent individuals.” More...

August 10, 2021 Coronaheadsup.com Coronavirus, Moderna, Pfizer/Biontech, Revaccination, Vaccine, Vaccine Breakthrough, Vaccine Waning, Variants

Ireland: 17% vaccine breakthrough “entirely in keeping with what we expect”

The Irish Department of Health has reported 1,522 new cases of Covid-19. More...

August 9, 2021August 11, 2021 Coronaheadsup.com B.1.617.2, Coronavirus, Deaths, Delta, Europe, Herd Immunity, Hospitalization, Infection, Ireland, Transmission, Vaccine, Vaccine Breakthrough, Vaccine Waning, Variants

Israel added to US highest Covid-19 risk list

The U.S. Centers for Disease Control on Monday added Israel to its highest risk level, advising U.S. More...

August 9, 2021August 9, 2021 Coronaheadsup.com America, Asia, B.1.617.2, Coronavirus, Delta, Health, Infection, Israel, Moderna, Pfizer/Biontech, Transmission, USA, Vaccine, Vaccine Breakthrough, Vaccine Waning, Variants

Gibraltar: 100% of the population vaccinated, just added to CDC Covid-19 “Very High Risk” travel list

Gibraltar has just been added to the CDC Covid-19 “Very High Risk” list for travel areas despite 100% of its population being vaccinated. More...

August 9, 2021August 9, 2021 Coronaheadsup.com Coronavirus, Europe, Gibraltar, Health, Herd Immunity, Infection, Science, Transmission, Vaccine, Vaccine Breakthrough, Vaccine Waning

USA: 19% vaccine breakthrough in California

About 19% of recent documented COVID-19 cases in California are breakthroughs, and state data shows that those who have been fully vaccinated account for an increasing portion of positive tests. More...

August 8, 2021August 8, 2021 Coronaheadsup.com America, California, Coronavirus, Infection, Janssen, Moderna, Pfizer/Biontech, Science, USA, Vaccine, Vaccine Breakthrough, Vaccine Waning

Iceland: no herd immunity from vaccines with 50% vaccine breakthrough for hospitalizations

Iceland’s Chief Epidemiologist Þórólfur Guðnason says vaccination has not led to the herd immunity that experts hoped for. More...

August 8, 2021 Coronaheadsup.com B.1.617.2, Coronavirus, Delta, Europe, Herd Immunity, Hospitalization, Iceland, Infection, Science, Testing, Transmission, Vaccine, Vaccine Breakthrough, Vaccine Waning, Variants

Belgium: 7 fully vaccinated care home residents die after contracting B.1.621 Mu variant first found in Colombia

During the past two weeks, 7 residents of a care home near Zaventem in Belgium have died after having contracted the B.1.621 variant of coronavirus first identified in Colombia, South America. More...