Tag: healthcare worker

Brazil: previously infected and fully vaccinated subjects with high anti-S IgG titers are susceptible to infection by VOC

Here we show that even previously infected and fully vaccinated subjects with high anti-S IgG titers are susceptible to infection by VOC, highlighting that immune responses induced by either natural infection or vaccination may not be sufficient to prevent infection by SARS-CoV-2 variants.  More...

Coronaheadsup.com America, Astrazeneca, Brazil, Coronavirus, Health, Infection, PCR, Reinfection, Sinovac, Symptoms, Testing, Vaccine, Vaccine Breakthrough, Vaccine Waning, Variants

India: 16% vaccine breakthrough in Delhi hospital coronavirus study

A small-scale study on 113 healthcare workers who had received at least one vaccine dose at a private hospital in Delhi found that 18 tested positive for Covid but all except one had mild symptoms.   More...

Coronaheadsup.com Asia, Astrazeneca, B.1.1.7, B.1.617, B.1.617.1, B.1.617.2, B.1.617.3, Coronavirus, D614G, E484Q, Health, India, Infection, K417N, PCR, Science, T478K, Testing, Transmission, Vaccine Breakthrough