Mycoplasma is a genus of bacteria that resembles viruses and causes
c. Treatment. Since tetracycline therapy for 5 to 10 days will shorten the
clinical course of Mycoplasma pneumoniae, proper etiologic diagnosis is useful,
especially if large numbers of cases are occurring.
An oral adenovirus vaccine has been developed and has been found
effective in reducing respiratory infections in recruits by 40 to 50 percent.
COMMON RESPIRATORY DISEASES: INFLUENZA
A given episode of influenza is caused by one of the multiple types of influenza viruses.
a. Effect of Variety of Viruses. Since there is such a wide-variety of influenza
viruses and so little cross-immunity between them, periods of freedom from disease
often are relatively short.
CLASSIFICATION BY CLINICAL SYNDROME
Respiratory syncytial virus
Acute upper respiratory
Acute lower respiratory
Adenovirus (50-80 percent
(10-50 percent in recruits)