False-positive serological reactions in virus pneumonia.
D003937:Diagnosis, Differential; D005189:False Positive Reactions; D006801:Humans; D011014:Pneumonia; D011019:Pneumonia, Mycoplasma / Q000175:diagnosis*; D013587:Syphilis / Q000175:diagnosis*
PNEUMONIA, PRIMARY ATYPICAL/differential diagnosis; SYPHILIS/differential diagnosis