But diapers aren't meant to safeguard against vapours or other elements in tear gas, so neither will a surgical mask. The N95 or X301 do not protect the wearer from pollution. Yu says the respirators block containments in particle form only, not gases like ozone and nitrogen dioxide.
Flu vaccine is an inactivated vaccine, meaning that it contains killed influenza virus. The killed influenza virus is injected into muscles or skin and stimulates the immune system to produce an immune response (antibodies) to the influenza virus.
1 The quadrivalent flu vaccine protects against four flu viruses; two influenza A viruses and two influenza B viruses. 2  The following quadrivalent flu vaccines are: 3  a standard dose quadrivalent shot. 4  One brand is approved for people 6 months and older while others are approved for those 3 years and older. The quadrivalent flu vaccine protects against four flu viruses; two influenza A viruses and two influenza B viruses. 2  The following quadrivalent flu vaccines are: 3  a standard dose quadrivalent shot. 4  One brand is approved for people 6 months and older while others are approved for those 3 years and older.