Cytomegalovirus contamination is possible to observe everywhere. However, we can rarely see clinical manifestations. The disease-producing agent is pathogenic to man alone so its cultivation in vitro is only possible…

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

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…