infect

The same mysterious virus of depression, despair and impending doom that infected Joe Biden’s presidency now seems to have spread widely throughout the major democracies.

"In China, at a kindergarten, the norovirus, which is usually transmitted from hand to mouth or from surfaces, got into the air and infected half of the class."

Then aged 19, she told how she was fitted with an intravenous line which later became infected.

If a person with measles is in the same room with 10 unvaccinated people, nine will be infected, researchers estimate.

It can spread to humans and pets from the bite of an infected flea or from coming into close contact with, or handling, an infected rodent.