Influenza. (2014, March 3). Retrieved October 23, 2025, from http://www.essayworld.com/essays/Influenza/103771
"Influenza." Essayworld.com. Essayworld.com, 3 Mar. 2014. Web. 23 Oct. 2025. <http://www.essayworld.com/essays/Influenza/103771>
"Influenza." Essayworld.com. March 3, 2014. Accessed October 23, 2025. http://www.essayworld.com/essays/Influenza/103771.
"Influenza." Essayworld.com. March 3, 2014. Accessed October 23, 2025. http://www.essayworld.com/essays/Influenza/103771.