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Chagas disease is an infectious disease caused by the parasite Trypanosoma cruzi. It is initially transmitted to humans by insects referred to as "kissing bugs.在某些情况下, chronic Chagas disease can appear years or decades after the initial infection and lead to long-term complications, 包括心脏病.
Human immunodeficiency virus (HIV) is a virus that causes acquired immune deficiency syndrome (AIDS). HIV/AIDS weakens your ability to fight infections. It is contracted through unprotected sex or needle sharing with an infected person.
Human papillomavirus (HPV) is a group of viruses that are often transmitted sexually. HPV很常见. In many cases, an infection causes no symptoms and may go away without treatment. In other cases, HPV may result in genital warts or warts on the hands or feet. Some types of HPV can lead to cervical cancer, or cancer of the anus or penis.
寄生虫感染, 或寄生虫病, is an infection caused by a parasite, a small organism that lives in or on you and survives from the nutrients in your body. Parasites may enter your body through food or water or through your skin, 或者它们可能活在你的皮肤上. While some parasites are harmless, others cause disease.
病毒性疾病 are caused by coming in contact with certain types of viruses, microscopic organisms that attach to the body’s cells. Depending on the type of virus, it can be spread through coughs and sneezes, 与感染者接触, or touching contaminated surfaces.