CDC conducts studies each year to determine how well the flu vaccine protects against flu illness. <span>While vaccine effectiveness can vary,</span> recent studies show vaccine reduces the risk of flu illness by about 50% to 60% among the overall population during seasons when most circulating flu viruses are like the vaccine viruses.
Answer:
B-Libido
Explanation:
According Freud, life instincts are those which deal with basic survival, reproduction and pleasure. There are instincts essential for the continuation of species as well as sustaining the life of the individual. Libido is the energy the life instincts create.
The factor that causes a noninfictious disease is the environment.
Answer:
quarks can't be broken down into smaller components, making them the smallest things we know of.
Explanation:
Answer:
After the blood leaves the right side of the heart it goes into the pulmonary artery and into the lungs.
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