Cursos gratis con certificado




The course Parasitology shows the phenomenon of parasitism in living beings, as well as the different parasites, their effects and the fight against them.

Aspects treated by the course are the object and scope of parasitological science, and the different organisms and phenomena of parasitism: protozoan parasites, helminths or parasitic worms and parasitic arthropods. The course ends with a theme dedicated to plant parasitism and brood parasite.

The course is completed with five virtual labs, three dedicated to parasitic protozoa, parasitic helminths and parasitic arthropods, one to parasitic coprology and another to parasitic hematology.


The necessary knowledge to take this course are those corresponding to a secondary education, preferably in the scientific field. In any case, it is necessary to have a basic training in Biology.


The knowledge objectives of this course are as follows:

- To know the science of Parasitology and its field of study.

- Know the phenomenon of parasitism in living organisms.

- Know the protozoan parasites, their main representatives, their way of life and the diseases they cause.

- Know the parasitic helminths, their main representatives, their way of life and the diseases they cause.

- Know the parasitic arthropods, their main representatives, their way of life and the diseases they cause.

- Know the parasitic vegetables, their main representatives, their way of life and the diseases they cause.

- Understand and know the kleptoparasitism and within it, the parasitism of laying.


1. The Science of Parasitology

Parasitology. Interspecific interactions and parasitism. Origin of parasitism. Main classes of parasites. The parasitology lab: diagnosis approaches and methods.

2. Parasitic Protozoology

Protozoans. General characters and classification. Amoebiasis. Entamoeba histolytica. Free-living Amoebozoa infection. Intestinal Flagellates. Giardia duodenalis. Trichomonanida. Trichomonas vaginalis. Leishmania. Trypanosoma. Apicomplexa. General characters and classification. Cryptosporidium. Cyclospora, Cystoisospora, Sarcocystis and Toxoplasma. Plasmodium and Babesia.

3. Parasitic Helminthology

Flatworm. General Characteristics and Classification. Clonorchis, Opisthorchis and Paragonimus. Fasciola. Other trematodes. Schistosoma. Cestodes. General Characteristics and Classification. Pseudophyllidea: Diphyllobothrium. Cyclophyllidea: Taenia. Echinococcus. Other cyclophyllidea. Nematodes: General Characteristics and Classification. Other trichuridae. Trichinella. Strongyloides stercoralis. Ancylostomatidae: Ancylostoma duodenale and Necator americanus. Ascaris lumbricoides. Toxocara, Anisakis. Other ascarididae. Enterobius vermicularis. Filarioidea: Wuchereria bancrofti, Brugia and Loa. Onchocerca volvulus. Dracunculus medinensis. Other filarioidea. Acanthocephala. Macracanthorhynchus hirudinaceus. Annelids leeches. Hirudo medicinalis. Pentastomida. Linguatula serrata.

4. Parasitic Arthropodology

Arthropods. General Characteristics and Classification. Health importance of the arthropods. Acari. Sarcoptes scabiei. Ixodidae. Insects. Anoplura: Pediculus humanus and Pthirus pubis. Hemiptera. Cimex lectularius. Triatoma. Siphonaptera. Diptera. Tabanidae. Muscidae. Stomoxys calcitrans. Glossina. Calliphoridae. Sarcophagidae. Sarcophaga carnaria. Wohlfahrtia magnifica. Culicidae.

5.- Parasitic plants. Kleptoparasitism and Brood Parasitism

Parasitic plants. Santalales. Rafflesiaceae. Fungi. Cordyceps. Kleptoparasitism. Brood Parasite.


In this course, there are five laboratory experiments, can be done in virtual lab:

1. Identification of protozoan parasites

2. Identification of helminth parasites

3. Identification of arthropod parasites

4. Hematological methods in Parasitology

5. Coprological methods in Parasitology


This course is useful for work in clinics and hospitals, veterinary clinics, cattle raising, companies and institutions of human and animal health, organizations of aid to the Third World, pest control services, farmland assesment, supplies of deworming equipment, technical information about parasites and pests and in general in all type of work in which knowledge of parasitology is required. In business, this course of Parasitology can be useful to create companies, whether from the technical point of view, scientific dissemination, or commercial, such as web pages related to the world of parasites and pests.


The learning time can vary considerably depending on the capacity and the previous training that is possessed. In any case a duration of 60 hours is estimated.

Since there is no time limit, it's recommended to learn it at a pace of learning that is comfortable, take it in a pleasant way, schedule time and set goals.


For the better use and learning of this course, and passing the exam, the Parasitology Teaching Guide has been created.


To obtain the Certificate of Completion, and if you wish the digital badge, of the Parasitology course you must pass the test exam with 60 questions with four alternative answers on the subjects that appear in the course program. About 15% of the issues will be related to virtual laboratory experiments. The test is passed with at least 80% of correct answers. The exam has a time limit of 60 minutes and can be repeated as many times as desired.

In order to obtain the certificate and the digital badge, it is necessary in the browser: 1) that pop-up windows can be opened, and 2) that webs can be printed as pdf documents.

It is recommended that before the examination, that the browser is configured correctly. If you have questions about course development and exams, you can take the CUVSI Learning Introduction course (in Spanish) or take the test for try. The two links can be translated, for example with Google Translate.

Other online courses, free of charge and with certificate of completion, which can be consulted in this link MOOCs of Parasitology (in spanish).

Spanish version of this course

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