Administer varicella vaccine to the health 6-year old child (who does not have evidence of immunity to varicella) was exposed to a confirmed case of varicella 2 days ago.
Explanation:
It is seen that if a child receives varicella vaccine between 3 to 5 days of exposure, he is safe as disease will not appear in him and would be saved for future infections.
Varicella vaccine is given for prevention against small pox. It is expected once immunised with varicella body will produce antibodies for a span of twenty years or more.
The regulatory genes are not part of the lac operon.
<span>They need to adapt to changes in temperature because under the water it may be warm while the surface is cold and water or moisture because the tide is constantly changing so sometime they may have water while other times they might not.</span>
