Typhoid vaccine should not be used in a person who is a typhoid carrier.

She was an asymptomatic typhoid carrier and was considered a public health hazard.

You have heard of typhoid carriers.

It may have been relevant that the other typhoid carriers were male, and that they were not of Irish heritage.

Mallon was the first healthy typhoid carrier to be identified by medical science, and there was no policy providing guidelines for handling the situation.

They found that one man was a typhoid carrier and that seven of the other eight patients said they had sexual relations with him before becoming ill.

They are protected not so much from terrorists (although that is a concern) as from the tifosi, the typhoid carriers, the team's harsh name for its obsessive fans.

Widal found that blood serum from a typhoid carrier caused a culture of typhoid bacteria to clump, whereas serum from a typhoid-free person did not.

When the housefly was implicated as a typhoid carrier in the late 19th century, Dr. Theodore B. Beatty, state health commissioner, began a crusade against the pest.