rhinovirus
most common infectious agent (common cold)
coronavirus
common cold, pneumonia, SARS (severe acute respiratory syndrome)
adenovirus
range of illness (sore throat, bronchitis, pneumonia, diarrhea, pink eye)
norovirus
vomiting and diarrhea
herpes simplex 1
cold sore
herpes simplex 2
genital herpes
measles
inflamed eyes, rash, fever, cough