Vaccine Waning Archives - Page 2 of 27

Covid-19: Where’s the herd immunity?

“Contrary to the myth that we are sliding into a comfortable evolutionary relationship with a common-cold-like, friendly virus, this is more like being trapped on a rollercoaster in a horror film.” More...

July 2, 2022July 2, 2022 Coronaheadsup.com Africa, Alpha, America, Asia, Australasia, Beta, Coronavirus, Deaths, Delta, Epsilon, Eta, Europe, Gamma, Health, Herd Immunity, Hospitalization, Infection, Iota, Kappa, Lambda, Long Covid, Mental Heath, MU, Omicron, Recombinants, Reinfection, Transmission, USA, Vaccine, Vaccine Breakthrough, Vaccine Waning

WHO: BA.5 now dominant globally

As of epidemiological week 24, BA.5 represents 43% of global sequences at Gisaid, BA.2 represents 25%, BA.4 represents 12%, and BA.2.12.1 represents 11%. More...

June 30, 2022 Coronaheadsup.com Africa, America, Asia, Australasia, BA.2, BA.2.12.1, BA.4, BA.5, Deaths, Europe, Health, Infection, Omicron, Research, Transmission, USA, Vaccine, Vaccine Breakthrough, Vaccine Waning

Preprint: BA.2.12.1, BA.4, and BA.5 substantially escape neutralizing antibodies

These data show that the BA.2.12.1, BA.4, and BA.5 subvariants substantially escape neutralizing antibodies induced by both vaccination and infection. More...

June 27, 2022June 28, 2022 Coronaheadsup.com Africa, America, Asia, Australasia, BA.2.12.1, BA.4, BA.5, Coronavirus, Deaths, Europe, Health, Healthcare, Hospitalization, Infection, Preprint, Research, Testing, Transmission, Vaccine, Vaccine Breakthrough, Vaccine Waning

France: BA.5 at 41% of sequences in week 24, 2022

“Progressive replacement of BA.2 by BA.5 with a strong increase in detection (41%), increased presence of the mutation at position L452 in screening (64% in week 24 vs 47% in week 23), linked to the increase of certain Omicron sub-lineages including BA.4 and BA.5.” More...