The third person had no known exposure to oseltamivir.

Cases exist in which one known exposure has resulted in death.

However, mesothelioma has been reported in some individuals without any known exposure to asbestos.

In endemic areas, a high index of suspicion is warranted, especially with a known exposure to ticks.

Extend the study of smooth flow deposits, active areas and known exposure of water ice.

These figures reflect only the animals that have been tested because there was a known exposure to humans or other animals.

The expected range for Americans with no known exposure is from zero to 20 parts per trillion, researchers said.

Provide reassurance to the patient about the rarity of infection without known exposure.

These recommendations do not address instances where a known exposure has occurred.

Rare cases of seroconversion 6--12 months after known exposure have been reported (134).