The reason why one case of influenza does not confer lifelong immunity is that the virus tends to mutate overtime which makes it unrecognizable to the immune system.
<h3>Why is it difficult to get immunity to influenza?</h3>
Influenza is caused by a virus which tends to mutate overtime in order to stay ahead of medical technology.
As a result, this mutation makes the original virus unrecognizable to the immune system which would then be unable to fight it.
Find out more on natural immunity at brainly.com/question/21480961
#SPJ1
Answer:
Railroad crossing is one of the deadliest types of intersections.
According to the constitution<span>, a </span>writ of habeas corpus can<span> be </span>taken away<span> when in the situation of rebellion and invasion the public safety </span>can<span> obtain it. </span>Habeas corpus<span>is the option in law where an individual </span>can<span> report due to the actions of unlawful imprisonment before the court.</span>
Answer:
B. ""I should make sure that my child receives this vaccine before becoming sexually active.""
Explanation:
Gardisil vaccination is given to help preventing certain HPV or Human Papilloma Virus related diseases and cancers that may develop in the later stage of life.
This vaccine can be given to both boys and girls who are at the age of 11 years to 12 years. HPV is a very common virus that can lead to cancer. This infection leads to formation of wraths on different parts of the body. The HPV virus spreads through sexual contacts. It is a common sexually transmitted disease.
Normally two doses of Gardisil vaccine is given to prevent from such diseases.
Thus the correct answer is
B. ""I should make sure that my child receives this vaccine before becoming sexually active.""