COVID-19 pandemic, also known as acute pneumonia pandemic due to new strain of corona virus (abbreviated: NCP, Chinese call) or Wuhan corona virus pandemic, is an infectious pandemic caused by virus SARS-CoV-2 is affecting mainland China, along with many cases in 192 countries andAnother territory, which began to flare up in December 2019 in Wuhan City in Hubei Province in central China, when a group of people with unexplained pneumonia, had major contact with traffickers. sell at Hoa Nam seafood wholesale market, where animals are live and givenis the first outbreak of the disease - this is still controversial.Chinese scientists then isolated a new type of coronavirus, which WHO temporarily called 2019-nCoV, which has the same genetic sequence as at least 79.5% of previous SARS-CoV. human-to-human transmission has been confirmed, with a rapidly increasing outbreak rate in mid-January 2020. Incubation period of 2 to 14 days, there is evidence that the disease can be contagious during this period and for several days after recovering. Common symptoms of the disease include fever, cough and shortness of breath, which can be fatal in severe cases. The first suspected cases were reported on December 31, 2019, with the first symptoms appearing more than three weeks earlier, on December 8, 2019.The market is closed on January 1, 2020 and the symptomatic patients are quarantined. Afterwards, close contacts of people suspected of having the disease were followed. On January 9, 2020, the first death from SARS-CoV-2 occurred in Wuhan.
The first confirmed cases outside of China include two women in Thailand and one man in Japan. There are concerns that the epidemic will spread further during China's peak tourist season on Chinese New Year.
On January 23, 2020, China isolated Wuhan City, all public transportation to and from was suspended. Until January 24, 2020, a number of nearby cities were isolated including Hoang Cuong, Ngac Chau, Xich Bich, Kinh Chau and Chi Giang.
On February 11, 2020, the International Commission on Virus Classification (ICTV) officially named the new strain of corona virus, SARS-CoV-2. On the night of March 11, 2020 according to Vietnam time, the World Health Organization (WHO) officially declared the COVID-19 epidemic to a global pandemic.
As of March 22, 2020, the number of confirmed COVID-19 infections globally has exceeded 300,000 in 190 countries and territories, with more than 13,000 deaths. In particular, more than 95,000 cases have recovered.
Responding responses to public health around the world have included: travel restrictions, quarantine blockade, curfew, event cancellation and school closure. These policies include the quarantine blockade of all of Italy and China's Hubei province; various curfew measures in China and South Korea; screening methods at airports and railway stations; Travel advice on areas at risk of infection. Schools have been closed nationwide in 22 countries and some localities in 17 countries, affecting more than 370 million students.
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