Parasites - CDC Neglected tropical diseases (NTDs) include several parasitic viral, bacterial, and fungal diseases Medical specialties that can assist with treating parasitic diseases or infections International travelers can be at risk for a variety of infectious and non-infectious diseases
About Parasites - CDC There are three main classes of parasites that can cause disease in humans: protozoa, helminths, and ectoparasites Protozoa are microscopic, one-celled organisms that can be free-living or parasitic in nature
Parasitic Infection: Causes, Symptoms Treatment - Cleveland Clinic Parasitic infections are any illnesses or conditions caused by parasites living and reproducing in your body Parasites are organisms that need another living thing (a host) to get the nutrients they need to survive
Parasites: 3 Types, Skin Symptoms, Stool Testing - Verywell Health Parasites are tiny organisms that live on a host They sustain life by getting food from the host, sometimes at the expense of the host’s health Out of all the parasites that exist, only three main classes can cause disease in humans They are ectoparasites, helminths, and protozoa
Different Types of Parasites You Should Be Aware Of - Verywell Health From protozoa to roundworms, tapeworms to flukes, there are four main classifications of parasites that infect humans Symptoms may be mild or severe, Learn about the various types of parasites, symptoms, and the sources of infection and spread
What Causes Parasitic Diseases | Parasites | CDC Animals, blood, food, insects, and water can transmit parasites Pets can carry parasites and pass parasites to people Proper handwashing can greatly reduce risk A zoonotic disease is a disease spread between animals and people Zoonotic diseases can be caused by viruses, bacteria, parasites, and fungi Some of these diseases are very common