Advanced Reading: Avian Flu in Humans
There has been evidence of bird flu infection in humans since 1997. The following article is available on the CDC website.
Advanced Reading: How Influenza Pandemics Occur
In this article, you’ll read more about virus genetics and how pandemics occur. The following link takes you to the CDC website.
Advanced Reading: Flu and Flu Vaccine
Learn how viruses mutate and what that means for flu shots. Learn more from this article on the CDC website.