The Pfizer vaccine was developed in association with German company BioNTech (Representational)
New Delhi: American pharma giant Pfizer, whose coronavirus vaccine has a 95 per cent efficacy rate but… [read more]
The Pfizer vaccine was developed in association with German company BioNTech (Representational)
New Delhi: American pharma giant Pfizer, whose coronavirus vaccine has a 95 per cent efficacy rate but… [read more]