Coronavirus: The mystery of asymptomatic 'silent spreaders'

Scientists have discovered more evidence about a strange and worrying feature of the coronavirus.

Some people never show symptoms

This is an even more mysterious scenario, and one that scientists simply have no definitive answer to. It's one thing to know that people can be infectious before their symptoms show, quite another when they become infected but never have any sign of it.

This is what's known as being "asymptomatic" because you are a carrier of the disease but do not suffer in any way yourself...

Scientists have discovered more evidence about a strange and worrying feature of the coronavirus.

Some people never show symptoms

This is an even more mysterious scenario, and one that scientists simply have no definitive answer to. It's one thing to know that people can be infectious before their symptoms show, quite another when they become infected but never have any sign of it.

This is what's known as being "asymptomatic" because you are a carrier of the disease but do not suffer in any way yourself...