With the nation already dealing with a strong double mutant variant of the Covid-19 virus, reports now suggest that the southern states of the country could have been affected by a more lethal variant of the virus named N440K. Also known as AP variant referring to the Indian state of Andhra Pradesh where it was first detected, the strain is said to be at least 15 times more virulent than the previous strains. It has a shorter incubation period and the virus is said to spread much more rapidly within the human body. It is also said that a short...