Anonymous ID: 045c0f Feb. 1, 2020, 7:14 a.m. No.7990003   🗄️.is 🔗kun

Here are some of the basics of the background of the flu virus, different strains/substrains, etc. This provides a better, more thorough understanding before reading about the new study

https://www.cdc.gov/flu/about/viruses/types.htm