They test negative for nvCJD and other known prion diseases-classicCJD included.

Returning residents must also test negative three days before arrival in Samoa.

People can test negative for a couple of days after being infected.

If you test negative for AIDS like three or four more times...?

That could cause them to miss games, even if they test negative.

Pence also continues to test negative, his doctor said on Tuesday.

Those who test negative will be repatriated, the government said.

They simply have to test negative at their six-weekly review.

Those who test positive will not return to work until they test negative, Maphisa said.

The principal confirmed the school's closure, but said she believed the parent would test negative.

People can be infectious before they show symptoms, and these people may also test negative.

Will even those who test negative have to stay?

Japanese who test negative will begin disembarking as early as Wednesday, Health Minister Katsunobu Kato said.

Collins also raised not letting anyone board a plane to New Zealand unless they test negative.

Close contacts are obliged to restrict their movements for 14 days, even if they test negative.

Those who test negative can then go home.