so, I have an assignment on covid-19 and its impact of 1000 words plz help me and also write from that corona start from china like this way ....
Answers
Answer:
The coronavirus (COVID-19) outbreak came to light when on December 31, 2019, China informed the World Health Organization (WHO) of a cluster of cases of pneumonia of an unknown cause in Wuhan City in Hubei province. On January 9, 2020, the WHO issued a statement saying Chinese researchers have made “preliminary determination” of the virus as a novel coronavirus.
Since then, more than 3,000 deaths have been reported due to COVID-19 across the world. Cases have been reported from more than 80 countries, including India. The virus has acquired the ability to spread among humans, with cases of human-to-human transmissions being reported first in Vietnam and Germany.
With the overall cases worldwide rising rapidly, the WHO has declared the outbreak a global health emergency.
COVID-19 symptoms can include fever, cough and shortness of breath. The illness also causes lung lesions and pneumonia. Milder cases may resemble the flu or a bad cold, making detection difficult. Chinese researchers have shared the whole genome sequence of COVID-19, however apart from some basic details, not much is known about the virus in terms of its source, precise duration of incubation, severity, and what makes it quite easily transmissible.
Explanation:
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Explanation:
Ed: Even though we’ve been reading one article after another about SARS-CoV-2, the novel coronavirus, some basic facts about the crisis were still unclear to us. How did this all begin? Why is this virus so problematic? How is it spreading? We asked epidemiologist Beth Linas to answer these questions, and more.
The virus apparently emerged in Wuhan, China. How does a virus that starts in one place spread around the world?
The short answer is that we live in a global economy that includes frequent domestic and international travel, and viruses often hitch rides with us.
Viruses, like other pathogens, don’t produce symptoms as soon as they come into contact with humans. First, they go through an incubation period, or a period of time when the virus multiplies to a threshold necessary to produce symptoms in its host. During the incubation period, your body’s immune system recognizes the virus, and reacts through multiple kinds of immune responses. If your immune system can keep the virus population in your body below the threshold, you won’t experience symptoms (but may be able to still spread some viruses). The effectiveness of an individual’s immune system in responding to the virus also plays a role – some people can stave off viruses longer than others.
For clarity, SARS-CoV-2 is the virus responsible for the novel coronavirus disease. The World Health Organization’s (WHO) chosen name, COVID-19, is just short for “coronavirus disease 2019” and their preferred nomenclature for the virus is “the virus responsible for COVID-19″ or “the COVID-19 virus.”
The incubation period of COVID-19 virus partially explains how the disease spread so widely before being detected
This incubation period between infection and symptoms allows pathogens to move stealthily across borders before being detected. It is likely that travelers passing through Wuhan were unknowingly encountering people who were infected with SARS-COV-2, the virus that causes the disease known as COVID-19. These travelers may have returned home without knowing they were infected.
The incubation period of COVID-19 virus partially explains how the disease spread so widely before being detected. The WHO currently estimates the incubation period for COVID-19 to range from one to 14 days, most commonly around five days (for comparison’s sake, the flu’s incubation period is about two days). However, these estimates could change as we get a better understanding of the disease. Such a long incubation period, combined with the possibility that people can possibly spread the disease without showing symptoms, would also help explain its spread.........
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