People who can get the flu shot:
Different flu shots are approved for people of different ages. Everyone should get a vaccine that is appropriate for their age.
There are inactivated influenza vaccines (IIV) that are approved for people as young as 6 months of age.
Some vaccines are only approved for adults. For example, the recombinant influenza vaccine (RIV) is approved for people aged 18 years and older, and the adjuvanted and high-dose inactivated vaccines are approved for people aged 65 years and older.
Pregnant women and people with certain chronic health conditions can get a flu shot.
Most people with egg allergy can get a flu shot.
People who SHOULD NOT get the flu shot:
Children younger than 6 months of age are too young to get a flu shot.
People with severe, life-threatening allergies to flu vaccine or any ingredient in the vaccine. This might include gelatin, antibiotics, or other ingredients. See Special Considerations Regarding Egg Allergy for more information about egg allergies and flu vaccine
https://www.cdc.gov/flu/prevent/egg-allergies.htm.
Answer:
Arrector pili muscles
Explanation:
These are small muscles, attached to hair follicles in mammals.
Many experts recommend a level between 20 and 40 ng/mL. Others recommend a level between 30 and 50 ng/mL.
