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What are coronaviruses? (Lesson 1)
Coronaviruses were discovered in the 1960s. They are a group of viruses that cause diseases in
mammals and birds. In humans, coronaviruses cause respiratory tract infections that
are typically mild, such as the common cold. The name "coronavirus" is derived from
the Latin corona, meaning crown or halo. The name refers to the characteristic
appearance of the infective form of the virus, which is reminiscent of a crown or a
solar corona. It is believed that the virus was transmitted from animals to humans.
The symptoms of the new coronavirus
Some of the symptoms of the coronavirus are fever, cough, runny nose, sore throat, headache, and
trouble breathing. These symptoms are very much like those people have with a cold or the flu. The
virus can be more serious in some people, especially if they are sick or have health problems.
While it is early to have a definite picture of the disease because scientists are still collecting the data,
some patterns have already emerged. Some early reports reveal that children seem to be getting
coronavirus at much lower rates than adults. Even if they get infected, the symptoms are milder.
However, most people who get severely infected are those with a weak immune system, like the
elderly. Coronavirus may be life-threatening for these people. They may develop more OUS
respiratory tract illnesses that may be fatal. There is no specific vaccine or medication to cure the
disease, but generally, symptoms will go away on their own. However, experts recommend seeking
medical care early if symptoms feel worse than a standard cold. Doctors can relieve symptoms by
prescribing pain or fever medication. As far as antibiotics are concerned, they are useless to treat
coronavirus
How does the virus spread?





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