With over 30 mutations, the new COVID-19 variant called Omicron has already been declared a variant of concern by the World Health Organisation (WHO). Now, All India Institute of Medical Sciences (AIIMS) Director Dr Randeep Guleria has noted a worrying possibility of the new variant. Therefore, the AIIMS chief opines, the efficacy of vaccines against the varant will need be be critically examined. The spike protein if the part of the virus that enabled it to penetrate a host cell and also is being the strain’s transmissibility and infectiousness. The Omicron variant has not yet been detected in India, as per officials.

Source: dna November 28, 2021 20:59 UTC