At human body temperature, the influenza virus can remain infectious for approximately one week. Because the virus becomes inactive in the human body after one week, an infected person cannot be held responsible for any transmission of the virus after that time has elapsed.
The conclusion is most weakened by which of the following, if true?
A) The influenza virus is sometimes confused with the unrelated gastroenteritis.
B) The influenza vaccine is highly effective in preventing transmission
...
The conclusion is most weakened by which of the following, if true?
A) The influenza virus is sometimes confused with the unrelated gastroenteritis.
B) The influenza vaccine is highly effective in preventing transmission
...
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