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.)
There are currently 2 types of pneumococcal vaccines: pneumococcal conjugate vaccine (PCV13 or Prevnar 13Â®) and pneumococcal polysaccharide vaccine (PPSV23 or PneumovaxÂ®). 1  PCV13 is recommended for all children younger than 5 years old, all adults 65 years or older, and people 6 years or older with certain risk factors. Adults 19 years or older with one of the above listed conditions who have not received any pneumococcal vaccine, should get a dose of PCV13 first and should also continue to receive the recommended doses of PPSV23. 2  Ask your healthcare provider for details.