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Casvi Boadilla
October / Octubre 27, 2020
A zoonotic disease and its connection with covid-19

A zoonotic disease and its connection with covid-19

Sixth form students of Science mode have carried out a zoonoses and covid-19 research. This activity is related to Eco-Casvi and the goal is to make students aware of the importance of biodiversity in order to prevent pandemics.


When they had collected all the information, they designed some panels to share the facts with the educational community. In addition to this, they set out to share their knowledge with their classmates as good communicators
Explicamos en el colegio las maneras de prevenir el covid y realizamos una investigación sobre la zoonosis.
They have also taken part into @Casviologos account where they have given a speech with the details of the different parts of their research. In the next paragraphs, we transcribe students’ answers about this activity.
Explicación sobre la investigación de covid-19 y zoonosis.

What is the SARS-CoV2?

“SARS-CoV2 is a virus that belongs to the family of coronaviruses and causes the breathing disease called covid-19. The coronavirus' crown-like spikes give the virus family its name. These spicules are lycoproteins. The spicules help the virus to pass on other cells and infect them”, explain a student.
¿Qué es la covid-19? Lo explican alumnos de Casvi Boadilla.


Where does covid-19 come from?

SARS-COV-2 was discovered for the first time in Wuhan, China, in a seafood market. On December 26, 2019, a person came into the hospital feeling sick. He had harsh pneumonia and breathing failure. After several test, it was found to be the 7th coronavirus transmitted to human beings.
Origen de la covid-19. Lo explican alumnos de Casvi Boadilla.

What is zoonoses?

As other student explained, it is the transmission of diseases among people and animals and animals and people. The coronavirus can be spread among species or humans. These are the ways of transmission: by direct contact, the virus is transmitted by saliva when talking, sneezing or coughing; by indirect contact through contaminated objects or surfaces.
¿Qué es la zoonosis? Lo explican alumnos de Casvi Boadilla.

Another way is among species. For example, covid-19 was transmitted among bats. Then, it mutated into a scaly anteater. Finally, the scaly anteater got in touch with patient zero and this is the zoonoses.

Covid-19 and the environment

It was understanding the importance of biodiversity preventing diseases, the main goal of the inquiry. Related to this piece of information, another student told us that biodiversity protects us from viruses with three methods:
La biodiversidad nos protege de las pandemias, así lo explican alumnos de Casvi.
  • Population control. Some living creatures control biologically other species. For example, owls are the best mechanism to control the rodent population.
  • Dilution effect. If the man modifies the ecosystem, some species become more abundant and their pathogens too. This will make easier an epidemiological outbreak happens.
  • Biodiversity buffer. Some viruses need more than one specie to complete the cycle. So, some of these go-between species produce resistance and defence against the virus, breaking the transmission.
Prevención del coronavirus en Eurocolegio Casvi Boadilla.

How is covid-19 transmitted and how can we prevent contagion?

The contagion through zoonoses is produced by insect bites, treating sick animals, drinking contaminated water or unpasteurised milk, or eating meat underdone or raw. 
Prevención del covid-19
To prevent contagion, we should take into account the way of contagion, which is through saliva’s drops. So these are the main preventive measures we can carry out:
Prevención de la covid 19.  Lo explican alumnos de Casvi Boadilla.
  • Frequent hand-washing and frequent use of hydroalcoholic gels. Clean hands save lives, so this way we interrupt the spread of the virus through our hands when we touch our face.
  • Do not remove species from its habitat, because when an animal is moved, the habitat is changed. In this way we will protect and maintain each habitat.
  • Do not consume meat from wild animals, because food must follow the veterinary controls.
  • Wear mask to avoid the spread of saliva drops when speaking or breathing. Moreover, if you wear a FFP2 mask, this will prevent you from contagion as well as take care of others.
  • If possible, keep 1.5 meters of distance among people to avoid close contact.
  • Avoid touching your eyes, nose and mouth.