What are the mediums of spread of corona virus.
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Explanation:
A novel coronavirus that first appeared in Wuhan, China, in December continues to sicken tens of thousands of people around the world – and scientists are working round the clock to better understand the virus, contain the outbreak, and treat the disease.
In the weeks since the outbreak, the disease has been named COVID-19 by the World Health Organization. (The virus itself has been named SARS-CoV-2 by the International Committee on Taxonomy of Viruses).
UC San Francisco infectious disease expert Charles Chiu, MD, PhD, has been following the disease since its outbreak and provided the latest updates on what science has revealed about how the coronavirus is transmitted, what happens to someone who’s infected, and why a single diagnostic test may not be enough.
The new coronavirus is spread through droplets and surfaces.
The principal mode of transmission is still thought to be respiratory droplets, which may travel up to six feet from someone who is sneezing or coughing. The new coronavirus isn’t believed to be an airborne virus, like measles or smallpox, that can circulate through the air. “If you have an infected person in the front of the plane, for instance, and you’re in the back of the plane, your risk is close to zero simply because the area of exposure is thought to be roughly six feet from the infected person,” said Chiu.
Close contact with an infectious person, such as shaking hands, or touching a doorknob, tabletop, or other surfaces touched by an infectious person, and then touching your nose, eyes, or mouth can also transmit the virus.
Chiu stresses that we do not yet have definitive data on how long the new coronavirus can survive on surfaces, but based on data from other coronaviruses such as SARS, it may be for up to two days at room temperatures.