This article is about a species of CORONAVIRUS comprising multiple strains.
For stain SARS see severe acute respiratory syndrome.For the stain that causes COVID-19 to see SARS- COV-2 and MERS.
■ SARS – COV -1:- The virus that causes severe respiratory syndrome or SARS. It is a contagious and sometimes fatal respiratory illness caused by a coronavirus.
The SARS, first appeared in 2002 in the GUANGDONG province of southern CHINA, according to WHO the SARS is a virus transmitted through droplets that enter the air when someone with the disease coughs, sneezes or talks.
The virus is emerged in bats initially, then found into nocturnal mammals called CIVETS before finally infecting humans. After triggering an outbreak in CHINA, it spread worldwide within a few months, SARS spread to 26 countries, more than 8000 peoples are killing, more than 770 over the course of two years.
The common symptoms include- fever, chills and body ache and often progress to pneumonia.
There is no approved treatment or vaccine. However, no new cases of SARS have been reported since the early 2000s.
■ SARS – COV- 2 : –
SARS-COV-2 is the strain of CORONAVIRUS that causes COVID-19 and was first identified in December 2019 in the Chinese city of WUHAN. The virus likely originated in bats, like SARS -COV -1, and passes through an intermediate animal before infecting people.
Since its appearance, the virus has infected tens of thousands of people in China and lakhs of others worldwide.
The ongoing outbreak prompted an extensive quarantine of WUHAN and nearby cities, counties and the worldwide effort to develop diagnostics, treatments, and vaccines.
The disease caused by SARS – COV – 2 called COVID-19. People who are older or have already have some health issues seem to be more at risk of having SARS-COV-2. Common symptoms include fever, dry cough, shortness of breath and the disease can progress to pneumonia.
■ MERS – The virus that causes MIDDLE EAST RESPIRATORY SYNDROME OR MERS, sparked an outbreak in SAUDI ARABIA in 2012 and another in SOUTH KOREA in 2015.
The MERS virus belongs to the same family of viruses as SARS COV 1 and SARS COV 2 and likely originated in bats, as well.
It is infected camels before passing into humans and triggers fever, coughing, and shortness of breath.
MERS often progress to serve pneumonia.
As with SARS COV 1 and SARS COV 2, MERS has no approved treatments or vaccines.