- 传染病 chuánrǎnbìng infectious diseaseinfectious disease; contagious disease; communicable disease
- 传染性 chuánrǎnxìng infectiousnessthe quality or degree of being transmissible or contagious
- 传染源 chuánrǎnyuán infection sourcesource of an infection
- 传染力 chuánrǎnlì infectivitythe capability of a disease or pathogen to spread among individuals
- 传染病学 chuánrǎnbìngxué epidemiologyepidemiology; the branch of medicine dealing with the study of infectious diseases
- 飞沫传染 fēimòchuánrǎn droplet infectiondroplet infection (disease transmission from sneezing, coughing etc)
