Some facts and prevention tips on whooping cough (pertussis) presented by the Los Angeles County Department of Public Health.
For an abbreviated version of this video, please visit:
[ Ссылка ]
![](https://i.ytimg.com/vi/1B8J8rnD69c/mqdefault.jpg)
Some facts and prevention tips on whooping cough (pertussis) presented by the Los Angeles County Department of Public Health.
For an abbreviated version of this video, please visit:
[ Ссылка ]