What the words mean: Coronavirus, novel coronavirus, SARS-CoV-2, COVID-19

By Javier Zarracina and Adrianna Rodriguez USA TODAY

These outcomes point out that bats, and specific species of the genus Rhinolophus, represent the reservoir of the SARS-CoV and SARS-CoV-2 viruses. It was previously known as 2019-nCoV.

However, there have been suggestions that it is not just contaminated surfaces we should be anxious about - new research, published in the New England Journal of Medicine, has found that COVID-19 can act as an aerosol, meaning the particles can be suspended in the air.

The global outbreak of SARS-CoV-2 infection emerged in December 2019 in Wuhan, a city of 11 million in central China, and has resulted in 95,333 officially confirmed cases around the world and 3,282 deaths from pneumonia caused by the virus, according to the World Health Organization's March 5 Situation Report. As of March 22, the novel strain of coronavirus, SARS-CoV-2, has well over 32,000 confirmed cases and has caused over 400 deaths in the USA alone. In any case, "it's probably impossible to know exactly how you became infected", she added.

Arguably the most important action to take once you begin to notice symptoms is to stay home. This will only make it harder for others to buy the essentials they need. This is the longest-known infectious period for this disease.

Since 2004, no known cases of SARS have been reported, according to the Centers for Disease Control and Prevention.

Currently, there are no drugs, vaccines or treatments approved in the United States for the coronavirus.

Under a public health emergency, which is declared under the Public Health Act, the provincial health officer has the power to verbally issue orders that are immediately enforceable - such as the order from Bonnie Henry, B.C.'s provincial health officer last week for all bars and restaurants across the province to halt dine-in services.

When someone coughs or sneezes surfaces around the infected individual, it is spread via droplets.

As of Tuesday, the World Health Organization reports nearly 185 000 known cases of Covid-19 worldwide, including 7 529 deaths. Using a good soap and giving your hands a thorough wash for around 40 seconds is the most effective way to stop the spread of the virus. In the case of SARS-CoV-2, the researchers suggest that animal was a bat, which transmitted the virus to another intermediate animal (possibly a pangolin, some scientists have said) that brought the virus to humans.

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How do People Get Infected?

This question needs to be answered as the success of government measures, such as social distancing, hugely depends on what scientists find out. Some spread might be possible before people show symptoms.

One of the biggest fears about the new type of coronavirus is mutation, but it seems that we are already afraid.

People who caught the virus yesterday would still be infectious by the time the shutdown lifted. Picture a hump-shaped graph that shows the number of new infections over time. Compared with the baseline scenario, the combined intervention was the most effective, reducing the estimated median number of infections by 99.3 per cent when basic reproductive value (R0) was 1.5 (resulting in an estimated 1,800 cases). Aerosols may occur during intubation or suction at an intensive care unit.

During the 1918 Spanish flu pandemic, officials in Philadelphia failed to cancel a citywide parade and acted far more slowly to ban public gatherings than their counterparts in St Louis.

Depending on the rate of infection and community mitigation measures, the curve can take on different shapes. Some who have contracted it also experience nausea and diarrhea.

Target your home's high-touch surfaces.

At the frontline of this scientific work is Professor Edward Holmes, an evolutionary virologist who holds a joint position with the School of Life and Environmental Sciences and the School of Medical Sciences at the University of Sydney.

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