noun🔗Share病原体Any organism or substance, especially a microorganism, capable of causing disease, such as bacteria, viruses, protozoa or fungi. Microorganisms are not considered to be pathogenic until they have reached a population size that is large enough to cause disease."Washing your hands often helps prevent the spread of pathogens, like cold and flu viruses. "手を頻繁に洗うことは、風邪やインフルエンザウイルスのような病原体の蔓延を防ぐのに役立ちます。diseaseorganismmicroorganismmedicinebiologyChat with AIVocabulary GamePractice Reading