New viruses: You have been exposed and become immune to the cold viruses in the area from which you came. You now are in a new place with a new variety of cold viruses and are getting them one by one. Until you have been in most new places for a while, you will get a sequence of colds from the new exposures.
Answered 4/19/2014
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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