COVID-19 variants

  • Next-gen' COVID-19 vaccines may be needed to tackle emerging variants, say scientists
    New Delhi, January 27 (PTI): The spread of COVID-19 variants is not an immediate problem but it's time already for next-gen preventives to tackle them, say scientists as countries fine-tune their vaccine dissemination programmes and the race to put more vaccines in the market gathers pace. Work on vaccines will have to continue on parallel tracks one to tackle the SARS-CoV-2 virus with first generation vaccines and the other to prepare for possible mutations and new variants say