When you get a vaccine it injects a controlled amount of the illness into you, so the immune system can build up an immunity. The memory cells come into play when the illness comes back.
Answer:
combining vowel is I think wrong...
Answer:
Margaret Chan,
Vikram Patel
Francis S. Collins
Arunachalam Muruganantham
Tom Frieden
Answer:
communication
Explanation:
Based on the information provided within the question it seems that Jessamyn's component about communication is not entirely accurate. This is because she states that "they need to be able to communicate quickly and efficiently" but communication can have many obstacles that do not necessarily pertain to intelligence. An individual or entity can be intelligent and still not be able to communicate because of a difference in dialect between both parties.
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Answer:
2. "I need to keep my child on bed rest for 3 weeks to discourage physical activity."
Explanation:
Mononucleosis enlarges the spleen, making it prone to break more easily, for this reason, it is advisable to avoid activities that require a great physical effort and rest in bed for 3 to 4 weeks for optimal recovery.