PRACTICE N° 1
DATE: 24/01/2020
“ENVIRONMENT AND HEALTH PROBLEMS”
OBJECTIVE: KNOW WHAT IS THE CORONAVIRUS, TYPES, CAUSES,
SIMPTOM, PREVENTION AND TREATMENT
PROCEDURE: Coronaviruses are a family of viruses that were discovered in the
1960s but whose origin is still unknown. Its different types cause different diseases,
from a cold to a severe respiratory syndrome (a severe form of pneumonia). The
coronavirus owes its name to the appearance it presents, since it is very similar to a
crown or a halo. It is a type of virus present in both humans and animals.
In recent years, three major epidemic outbreaks caused by coronaviruses have been
described:
• SARS-CoV: The acute and severe respiratory syndrome (SARS, also known as SARS
and SARS) began in November 2002 in China, affected more than 8,000 people in 37
countries and caused more than 700 deaths. The mortality of SARS-Cov has been
estimated at approximately 10%.
• MERS-CoV: The coronavirus that causes the Middle East respiratory syndrome
(MERS) was first detected in 2012 in Saudi Arabia. More than 2,400 cases of infection
have been reported in October 2019 in different countries, with more than 800 deaths.
Lethality is therefore 35%.
• 2019nCoV: At the end of December 2019, the first cases of a new outbreak of
coronavirus were reported in the city of Wuhan (China). Since then the dripping of new
infected has been continuous, there have been several deaths and it has been
confirmed that this coronavirus is transmitted not only from animals to people, but from
human to human. It does not seem as serious as SARS or as lethal as MERS.
Contagion usually occurs through the respiratory route, through the respiratory droplets
that people produce when they cough, sneeze or speak.
In general, the main symptoms of coronavirus infections are usually:
• Secretion and runny nose.
• Cough.
• Fatigue
