2. Which is a viral infection of the upper respiratory tract caused by many different viruses?
A. Allergy
B. Cold
C. Eczema
D. Cholera
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B. Cold
Viral respiratory infections (VRIs) include colds, the flu and bronchiolitis. Respiratory means something that affects the lungs and airways (breathing passages). VRIs may cause coughing, sneezing, runny noses, sore throats or fever.
2. Which is a viral infection of the upper respiratory tract caused by many different viruses?
ANSWER:
B.COLD
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