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.
Two types of flu vaccine exist-a shot and a nasal spray. Flu shots don't contain a live virus and cannot cause the flu. The nasal flu vaccine, called FluMist, contains weakened flu viruses, and does not cause flu. People with asthma should receive the flu shot vaccine, not FluMist.Other options include: 1  Intradermal shots use smaller needles that only go into the top layer of the skin instead of the muscle. 2  They are available for those ages 18 to 64.eople with asthma should receive the flu shot vaccine, not FluMist. Other options include: 1  Intradermal shots use smaller needles that only go into the top layer of the skin instead of the muscle.