The first known outbreak of this neuropathy occurred in southeastern Minnesota in the United States.

Though the first known outbreak was in Philadelphia, Pennsylvania, cases of legionellosis have occurred throughout the world.

The first known outbreak of Ebola virus occurs in Yambuku, Zaire.

The known outbreaks are just the tip of the iceberg, health officials say; far more illness is never reported.

Perhaps the most known outbreak of H5N8 was in Ireland in 1983.

The last known outbreak in the UK was in August 2004.

The last known outbreak of the disease occurred in Somalia in 1977.

Whooping cough near the end of the seventeenth, and the first known outbreaks of influenza near the end of the nineteenth.

L7) What is the largest known outbreak of TC tornadoes?

The Hong Kong flu was the first known outbreak of the H3N2 strain, though there is serologic evidence of H3N?