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...

India: Covaxin and Covishield vaccines invoke 50% fewer antibodies against B.1.617 coronavirus variant

Scientists at the Indian National Institute of Virology (NIV), Pune, have found that both Covaxin and Covishield produce half as many antibodies against the B.1.617 variant of the novel coronavirus as against the ‘original’ B.1 variant.  More...