Cytomegalovirus contamination observed everywhere however clinical manifestations can rarely be seen. The disease-producing agent is pathogenic to man alone so its cultivation in vitro is only possible in human cell…

Acute genyantritis usually arises during acute rhinitis, measles, scarlet fever and other infectious diseases. Among main symptoms are a sensation of tension or pain in the affected sinus, impaired nasal…

Laryngitis is an inflammation of the larynx mucosa. The disease can be acute and chronic. Acute laryngitis is usually isolated. As a rule, it is a variation of acute respiratory…