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
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Cologne, Strasbourg,Koblenz,Basel,Dusseldorf
Answer:
He is intrigued and wants to know more from Tommy.
Explanation:
<u>We can realize Steve’s viewpoint from his actions and words.</u> Steve is asking more questions (“What do you mean? What are you talking about?”), which <u>reflects he wants more information and that he is interested in what is happening. </u>
<u>His attitude is caring and attentive</u>, as he walks over to Tommy, holds him, and is said that he “forces his voice to remain gentle”. This means he does not want to scare the boy but wants more of what he can tell him. With all of this, <u>Steve expresses curiosity and need for more details about the matter.</u>
Answer: lower class people couldn't afford anything really nice but there is a chance that they made their own clothes my best guess would be their clothes were made from rags
