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.
Answer:
Because Venus and Mercury are closer to the sun they are never visible at around midnight
Explanation:
I've read about this in articles
The hollow impression of a trilobite is an original remains fossil.
Answer:
Cools and crystallizes
Explanation:
Igneous rock forms when magma cools and crystallizes. The process is called crystallization :)