Physics covers a wide range of phenomena, from elementary particles (such as quarks, neutrinos, and electrons) to the largest superclusters of galaxies. Included in these phenomena are the most basic objects composing all other things. Therefore, physics is sometimes called the  fundamental science .
Two types of influenza vaccines are available: 1  TIV (flu shot (injection) of trivalent (three strains; usually A/H1N1, A/H3N2, and B) inactivated (killed) vaccine) or. 2  LAIV (nasal spray (mist) of live attenuated influenza vaccine.)
Flu Shots. Every year, people protect themselves from the flu by getting vaccinated. The vaccine, which comes in the form of a shot or a nasal spray, can reduce your chances of getting the flu by as much as 60 percent. The shot is usually recommended for everyone 6 months of age or older.