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    What is Coronavirus And Why It is Spreading Globally?



    What is Coronavirus And Why It is Spreading Globally?

    • As per the report, 81 people have died and 3000 cases recorded in CHINA. 
    • Other countries are in high alert for Corona Virus.  
    • It is spreading from China city, Wuhan.

    Chinese Companies have ordered their workers to stay at home.


    Several companies, including Swiss banking group UBS and property developer Country Garden, have told staff returning from the city of Wuhan or Hubei province to quarantine themselves at home.

    According to the Chinese health minister, the coronavirus can be spread from person to person before someone realizes they even have it.

    What is CoronaVirus?

    Coronaviruses are a group of viruses that cause diseases in mammals, including humans, and birds. In humans, the virus causes respiratory infections which are typically mild but, in rare cases, can be lethal. In cows and pigs they may cause diarrhea, while in chickens it can cause an upper respiratory disease. There are no vaccines or antiviral drugs that are approved for prevention or treatment.

    The China city Wuhan, is the main source to spread the virus worldwide.

    Coronaviruses are viruses in the subfamily Orthocoronavirinae in the family Coronaviridae, in the order Nidovirales. Coronaviruses are enveloped viruses with a positive-sense single-stranded RNA genome and with a nucleocapsid of helical symmetry. The genomic size of coronaviruses ranges from approximately 26 to 32 kilobases, the largest for an RNA virus.

    Corona Virus Spreading Globally

    Government organization is checking Airport, and arrival flights from China, specially from Wuhan city. Check the following countries infected by Coronavirus.

    • On January 26, the US announced a fourth case in a traveler returning from Wuhan. The patient was receiving medical attention in Los Angeles. 
    • Australia has confirmed five cases of the virus. The most recent was a 21-year-old woman who was on the last flight out of Wuhan to Sydney before China imposed a travel ban. The other cases have been detected in a man who arrived in Melbourne from China a week ago.
    • Malaysia confirmed four cases on January 25. All were Chinese nationals on holiday from Wuhan who arrived in the country from Singapore two days earlier.
    • Nepal said a 32-year-old man arriving from Wuhan had tested positive for the deadly disease. The patient, who was initially quarantined, recovered and was discharged. 
    • Singapore has announced four cases, all are individuals who arrived from Wuhan over the last week.
    • South Korea confirmed its fourth case of the virus on January 27.
    • Thailand has detected eight cases so far. Health minister Anutin Charnvirakul said on January 26 that three of the people infected were being treated, while five had recovered and gone home.

    The name "coronavirus" is derived from the Latin corona and the Greek κορώνη (korṓnē, "garland, wreath"), meaning crown or halo. This refers to the characteristic appearance of virions (the infective form of the virus) by electron microscopy, which have a fringe of large, bulbous surface projections creating an image reminiscent of a royal crown or of the solar corona.

    This morphology is created by the viral spike (S) peplomers, which are proteins that populate the surface of the virus and determine host tropism.

    Proteins that contribute to the overall structure of all coronaviruses are the spike (S), envelope (E), membrane (M) and nucleocapsid (N).

    In the specific case of the SARS coronavirus (see below), a defined receptor-binding domain on S mediates the attachment of the virus to its cellular receptor, angiotensin-converting enzyme 2 (ACE2).

    Source:Wikipedia, Alzajeera, BBC

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