A disease caused by pathogens that can be transmitted from person to person or from animals to humans; a contagious or communicable disease.
新しい伝染病が国内で発生し、注意が呼びかけられている。
A new infectious disease has emerged in the country, and warnings have been issued.
伝染病の予防には手洗いやワクチン接種が重要だ。
Hand washing and vaccination are important for preventing contagious diseases.
その病原体は伝染病を引き起こす可能性があると報告された。
It was reported that the pathogen may cause an infectious disease.