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This content is taken from the Complutense University of Madrid & L'école nationale vétérinaire d'Alfort's online course, Animal Viruses: Their Transmission and the Diseases They Produce. Join the course to learn more.

Skip to 0 minutes and 14 seconds There are diseases that produce great fear because of the difficulty of stopping the chain of transmission. Among all them, we have chosen rabies as illustrative of viral diseases that are transmitted by wounds in the skin, specifically, by bites. Besides humans, rabies also affects multiple animal species. This is known by the term of zoonosis, and it is a word that you should remember because we will use frequently along the course. It is greatly feared because of the terrible symptoms that accompany it, that once they appear, they lead inevitably to death. Rabies is the typical disease that affects multiple animal species. Besides dogs and cats, there are many wild species that play an important role in maintaining the infection.

Skip to 1 minute and 4 seconds Bats, that have a big relevance in South America, add to the problem. This makes the complete elimination of rabies from a specific region very difficult (this is known as “eradication”), as the more species that a virus affects, the more difficult it is to eradicate. To date around 200 zoonoses have been described, but the number keeps on increasing, because most emerging diseases are zoonoses. Join us this week and you will learn also about other zoonoses associated with high mortality in people, such as Nipah, Hendra, and Ebola diseases.

Introduction to Week 3

Zoonoses are diseases that affect both humans and animals. This week, we will be learning about rabies, a zoonosis which usually penetrates the host through bites.


What do you know about rabies? What would you like to know about rabies? Discuss with the other learners.

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Animal Viruses: Their Transmission and the Diseases They Produce

Complutense University of Madrid

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