Share Pin Email. Q: My family kept peanut butter in the fridge, but in college all my roommates kept peanut butter at room temperature and I loved how easy it was to spread! Now I keep my peanut butter at room temp too but I recently read you need to keep it in the fridge.
A/California/7/2009 (H1N1)v-like virus is the name of the specific strain that is used to create the vaccines for the Pandemic A-H1N1/09 flu.lu is just a shorten â¦ ed form of the word Influenza. The full name of the virus that causes what has been called the 2009 Swine Flu is Influenza Type A, Novel H1N1 Virus (A-H1N1/09). Other strains of flu circulate each year and are referred to as the seasonal flu.
History and Development of Flu Vaccines. In 1933, researchers discovered that viruses (influenza virus types A, B, and rarely C) cause influenza (flu). Prior to 1933, a bacterium named Haemophilus was thought to cause the flu. In 1938, Jonas Salk and Thomas Francis developed the first vaccine against flu viruses.This first flu vaccine was used to protect the U.S. military forces against the flu during World War II. Dr. Salk used his experience with influenza vaccine to develop an effective polio vaccine in 1952.his first flu vaccine was used to protect the U.S. military forces against the flu during World War II. Dr. Salk used his experience with influenza vaccine to develop an effective polio vaccine in 1952.