used for randomly selected values X and Y from two populations
For comparing two small sets of observations,
gives insight into the meaning of the U statistic,
A primary reason for needing a new vaccine for influenza each year is that there could be mutation of surface proteins leading to a new outbreak
<h3>What is antigenic drift?</h3>
Antigenic drift is a phenomenon that causes small changes or mutations in the genes of influenza viruses leading to changes in their surface proteins of the virus, which are HA (hemagglutinin) and NA (neuraminidase).
For this reason, new influenza vaccines are produced yearly to alter the effects that may emerge as a result.
Thus, a primary reason for needing a new vaccine for influenza each year is that there could be mutation of surface proteins leading to a new outbreak
Learn more about influenza here:
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Answer:
4.
Explanation:
its something staff members should not tolorate,i think,my answer could be wrong
Answer:
Adequacy
Explanation:
There are four aspects of a healthy and nutritious diet, which are, balance, variety, moderation, adequacy
Adequacy in nutrition can be defined as the consumption of the needed nutrients, to reach the required amount of nutrients for attaining the best health possible. A given nutrient may be required to be taken more or less depending on the adequacy criteria.
The adequacy criteria are;
Deficiency disease prevention
Reduction or prevention of chronic diseases
Diseases associated with poor diet reduction
Maintaining physiological balance requirement.
