first what are corona viruses

They are a group of viruses that cause diseases in mammals and birds

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In humans, the virus causes infections in the respiratory system

The name “coronavirus” is derived from crown or aura

The name refers to the characteristic appearance of the virions (the infectious form of the virus) that appears as a king's crown or solar corona

Corona viruses were discovered in the 1960s, in chickens

Since that time, other strains of this family have been identified

The history of corona viruses with humans :

1- Human corona virus 229E :

In 1965, a woman came to the hospital suffering from respiratory symptoms, fever and cold

Doctors initially thought that it was a bacterial pneumonia, and doctors treated her, but the woman's condition began to get worse and her respiratory failure and oxygenation occurred

Doctors conducted a wide range of tests on Strains of influenza and types of bacteria and they were all negative

The good luck of the lady that she managed to survive, but one of the researchers researched the topic until she discovered a new virus,

which became the first Corona virus transmitted to humans to be discovered

2- Human corona virus-OC43 :

At the same time, a doctor at the National Institutes was searching independently for the causes of the common cold

until in 1968, the team discovered a new coronavirus, which is OC43

3- SARS-COV :

Then came the outbreak of SARS in 2003, and although the disease was eventually confirmed to have infected only 8,096 people,

there are 774 deaths attributed to it

a shockingly high death rate that prompted researchers to take a second look at the class of the virus

4- HUMAN CORONA VIRUS-NL63 :

In 2004, a new type of corona virus named as HCOV-NL63 was recorded in the Netherlands of a nine-month-old child suffering from the usual respiratory symptoms of these viruses

5- HUMAN CORONA VIRUS -HKU 1 :

In 2005, a new human coronavirus, HCoV-HKU1, was identified in Hong Kong

6- MERS-COV :

Middle East respiratory syndrome (MERS) is a viral respiratory disease caused by a novel coronavirus that was first identified in Saudi Arabia in 2012 ,

approximately 35% of reported patients with MERS-CoV infection have died

7- nCOV-19 :

The world suffers from it till now

Every year, more than 4 million people die around the world from respiratory diseases, both for known and unknown reasons,

and it seems that the virus has been with us for a long time, but with technological advances it has become possible to discover new strains in short periods,

We must prepare for many new strains of the virus in the future

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