Symptomatic Delta Covid infection rate far higher in fully vaccinated healthcare workers

“..our data suggest that vaccine effectiveness against any symptomatic disease is considerably lower against the delta variant and may wane over time since vaccination.”  More...

India: 1.6% coronavirus vaccine breakthrough rate in study of healthcare workers

India’s largest yet data analysis of the so-called breakthrough infections after inoculation with Covishield [AstraZeneca] has found that 16 in every 1,000 fully vaccinated healthcare workers developed Covid-19 infections, about threefold the incidence observed in a US study after Pfizer or Moderna doses.  More...