Is lung abscess contagious?

Lung abscess is an infectious disease of respiratory tract, and is not a strictly prescribed infectious disease in medicine. The pathogenic bacteria causing lung abscess are not strong in pathogenicity. The occurrence of lung abscess is related to diabetes, lack of attention to oral hygiene, cerebral infarction and other causes of aspiration. We should actively prevent and control the susceptible factors of lung abscess to prevent infection to others. If there are elderly and frail people, we should be vigilant. In daily life, we should pay more attention to prevent contact with harmful substances, drink more water, speed up the metabolism of the body, and maintain the normal operation of the body.