h3n2
Works Cited

"Hong Kong Flu (1968) History and Symptoms." www.helium.com. N.p., n.d. Web. 5
Jan. 2011.

"Influenza Pandemic in Asia." www.asianhistory.about.com. N.p., n.d. Web. 5 Jan.
2011.

"1968 Hong Kong Flu." www.globalsecurity.com. N.p., n.d. Web. 5 Jan. 2011.