Food intolerance generally results in a rash or hives.

a trip to the hospital.

mild to serious discomfort.

swelling of the face and hands.

Astudy shows that an influenza vaccine is 71.4% effective in preventing a particular type of influenza. if 15,422 people receive the vaccine, how many would not be protected and would be likely to get infulenza?

True or false. mucous membranes secrete mucus that traps pathogens.

Which of the following is not of the top health concerns in the united states