I may be wrong, but I think it's Antibodies.
Ans/quest:
What’s this for?
Answer:
<em>Physical Hazards</em>
<em>Physical HazardsExtreme temperatures, poor air quality, excessive noise and radiation in the workplace can all harm workers, potentially causing respiratory problems, hearing loss and cancer, among other problems</em>
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I HOPE THIS WILL HELP YOU IF NOT THEN SORRY, HAVE A GREAT DAY:)</h3>
People get Chicken pox just by contact. It is a contagious disease in other words, an air borne disease.