contagious

Children with little to no symptoms may spread the coronavirus more easily than severely ill adults, according to a new study published Thursday.The Massachusetts General Hospital (MGH) and Mass General Hospital for Children recently studied 192 children suspected of having the coronavirus or who had been in contact with an infected person.Of the 192 participants,…

A lethal rabbit virus is spreading across the southwestern United States, killing wild rabbits on this continent for the first time and causing concern for some fragile species and the animals that prey on them.While rabbit hemorrhagic disease virus type 2 can produce symptoms such as seizures or fever, it often causes sudden death, marked…

By Michael Marshall Orangutans scratch themselves when they see others do itManoj Shah/Getty Among orangutans, scratching is contagious – just as yawning is among humans. When an orangutan sees another scratch, they often start scratching themselves. However, the behaviour differs from contagious yawning in one crucial respect. Humans catch yawns more readily from close family…