Smoking is a significant health risk, leading to various diseases.

Vaccination can prevent certain diseases.

Vaccinations can prevent the spread of infectious diseases.

The purpose of this interdisciplinary research project is to investigate the complex interactions between genetics and environmental factors in the development of chronic diseases.

Advances in medical research have allowed us to become better equipped to combat previously incurable diseases.

Collaborative efforts among nations are essential to prevent the spread of infectious diseases and ensure global health security.

She has an infectious disease.

Flu is a common disease.

Untreated sewage can spread disease.

The doctor detected a disease.

He aggravated his disease by smoking.

HIV is a sexually transmitted disease.

The disease is spread by contact.

The disease finally finished him off.

The disease is transmitted by sexual contact.