Answer:
dose and temperature of treated volume
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:
brainly.com/question/12975693
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Answer:
This is located in the upper anterior part of your chest directly behind your sternum and between your lungs.
Explanation:
It has two thymic lobes.
It is Pinkish-gray, do you get it.
Should I explain more.
Este es uno de los medicamentos que pueden curar la fiebre de un niño. Es ibuprofeno. ¡Espero que esto ayude!