Over time, as more mutations occur, the vaccine may need to be altered.
The B.1.640.2 variant has been reported by researchers at institute IHU Mediterranee Infection in at least 12 cases, and has been linked to travel to African country Cameroon.
The CSIR DG said the transmissibility of the new strain N501Y is a "bit higher" but this does not mean it is more lethal and more people are going to die due to it.
'Most vaccines do target the Spike protein, in which there are changes in the variants but vaccines stimulate our immune system to produce a wide range of protective antibodies'
'SARS-CoV-2 is going to change to avoid/overcome any thing thrown at it.'