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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Absolutism is helped along by a sense of need for centralized control over all affairs.
Explanation:
Absolutism often takes over in societies that suffer from disorder and uncertainty about the future whee the people start believing that there is a need for a single strong leader who is authoritative and can do what they want to help the country without any constrictions in their work.
Usually such a view comes at the expense of trusting institutions in the modern world but ends up badly as absolutism is the perfect seed for the dictatorships of the world to prevail in.
<span>Shaunquelle appears to be fixated at the a-n-a-l stage. It can be observed through her obsession that everything must be in order and stingy, she is in short, a perfectionist. Normal ages for this stage is around 2 - 4 years old. The cause for this is that during her childhood days, she has been severely punished in toilet training.</span>
Answer: Quality
Explanation:
Quality of contact is defined as standard of communication and interaction that a person has with others. It states the degree of contact a person should manage and maintain so that relationship can be effective and eased.
According to the question,Ken should focus on quality of contact with his kids for its maintenance.As the situation is getting changed because of divorce, he should support adjustment of his kids through interaction and communication betterment.
