What is the coronavirus, how he started and how big could it reach?


The new coronavirus (Covid-19) has spread to almost every country in the world since its appearance in China at the beginning of the year. Over 10.3 million people are infected and more than 505 000 deaths were recorded – of which 43 575 in the United Kingdom.

What is a coronavirus?

Coronaviruses are a family of viruses that cause diseases in animals. Seven, including the new viruses have made the jump to humans but most cause just the symptoms of common cold.

Covid-19 is closely related to the severe acute respiratory syndrome (SARS) that swept the world from 2002 to 2003. This virus has infected around 8,000 people and killed about 800, but it is exhausted quickly, in large part because most of the infected people were seriously ill. it was therefore easier to control.

Another coronavirus is a respiratory syndrome Middle East (MERS), which has occurred sporadically since its emergence in 2012, there were approximately 2500 cases and almost 900 deaths.

Covid-19 is different from these two other coronaviruses in that the spectrum of disease is broad, with about 80 per cent of the cases, leading to a mild infection. Many people can also be carriers of the disease and show no symptoms, which makes it even more difficult to control.

To date, approximately 20% of cases of Covid-19 were classified as “serious” and the mortality rate of the current varies between 0.7% and 3.4%, depending on the location and, most importantly, access to good hospital care.


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