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Cómo se pronuncia "pertussis"

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Pertussis is particularly dangerous to infants under two, and until there was a way to prevent

The Women Who Killed Whooping Cough

Duración: 5s Detalles

of whether pertussis is present.

The Women Who Killed Whooping Cough

Duración: 3s Detalles

It was the first pertussis vaccine that was really effective, and those people saved thousands

The Women Who Killed Whooping Cough

Duración: 5s Detalles

More importantly, the blood provided material where the pertussis bacterium could really

The Women Who Killed Whooping Cough

Duración: 5s Detalles