The BF.7 is an abbreviated form for BA.5.2.1.7. It is a sub-lineage of the BA.5 Omicron variant. The BF.7 variant is reportedly more infectious than the other variants of coronavirus known so far. Persons infected with the BF.7 variant of…
Coronavirus: The idea of attaining herd immunity through natural infection to fight against Covid is “foolish” as there are huge costs to be paid, Chief Scientist at the World Health Organisation Dr Soumya Swaminathan told NDTV today, adding that the…
Experts now say that even 70 per cent immunity in the population isn’t high enough to resist the spread of the Delta variant. A recent study in The Lancet says, “With the elevated transmissibility of circulating variants, vaccination coverages as…