infectious disease; contagious or communicable disease caused by pathogens such as bacteria or viruses

infectiousness; contagiousness; transmissibility; (of a disease, etc.) infectious; contagious

The person, animal, or object that is infected with a disease and can spread it to others; includes patients and carriers of a disease.

the study of infectious diseases and their medical treatment; infectiology

acute infectious disease; an illness that develops rapidly and spreads easily from person to person

Infectious disease that must be reported to health authorities for monitoring according to health regulations, but is generally less severe than a [[法定传染病|法定傳染病|fa3 ding4 chuan2 ran3 bing4]]

The spread of disease through direct or indirect contact with an infected person or carrier.

legally mandated infectious disease that must be reported to health authorities, typically representing the most severe category of public health risks

A method of spreading disease where germs travel through the air to infect others.

the transfer of harmful microorganisms between people or objects in a medical or group setting

A way of spreading disease where germs are carried in tiny droplets of spit or mucus when someone sneezes or coughs.

The ability of a pathogen to spread or transmit to a susceptible host; infectiousness.

infectious disease caused by bacteria that can lead to miscarriages in livestock and various symptoms in humans

A person, animal, or substance that contains an infectious agent and can transmit it directly to a host.