Published: Tue, March 24, 2020
Health Care | By Cedric Leonard

Covid-19 survival time on surfaces depends on the material

Covid-19 survival time on surfaces depends on the material

Though now there is no evidence to support the use of hydroxychloroquine in SARS-CoV-2 infection, a loading dose of 400mg twice daily of hydroxychloroquine sulphate given orally, followed by a maintenance dose of 200mg given twice daily for four days seems to show some promise.

As part of continued efforts to respond to the COVID-19 pandemic caused by SARS-CoV-2 virus, researchers have used X-ray crystallography to reveal the structure of the SARS-CoV-2 main protease (SARS-CoV-2M) - one of the best characterised drug targets among coronaviruses.

SARS-CoV-2 spreads from person to person through close communities.

The researchers compared the COVID-19 virus (SARS-CoV-2) with its predecessor, the SARS-CoV-1, which is the most closely related human coronavirus, in five environmental conditions, including aerosols (air), plastic, stainless steel, copper, and cardboard.

In addition to Andersen, authors on the paper, "The proximal origin of SARS-CoV-2", include Robert F. Garry, of Tulane University; Edward Holmes, of the University of Sydney; Andrew Rambaut, of University of Edinburgh; W. Ian Lipkin, of Columbia University. So was the SARS epidemic that Saudi Arabia had to fight in 2012. However, the new coronavirus can also spread in hospitals since the virus is stable in the air for hours and surfaces for days.

Frequent hand washing with soap and water, use of an alcohol-based hand sanitiser and avoiding people who are unwell, are the best ways to prevent COVID-19. Fears then began to break out about human-to-human transmission, and this was later confirmed by scientists researching the outbreak in China.

However, first neonatal case of COVID-19 was observed in Wuhan city of China on 1 February, 2020.

Coronavirus (CoV) are zoonotic viruses, belonging to family Coronaviridae.

Three additional cases of COVID-19 reported in North Carolina
The CDC defines close contact as being within about 6 feet of a person with a COVID-19 infection for a prolonged period of time. The Wake County Public Health Division is now working to identify close contacts of the new cases.

The scientists analyzed the genetic template for spike proteins, armatures on the outside of the virus that it uses to grab and penetrate the outer walls of human and animal cells. Until the spread of this virus is in check as it can live up to 3 hours in the air, you should avoid being near people. Scientists have studied how SARS-CoV differs from SARS-CoV-2 - with several key letter changes in the genetic code.

This evidence for natural evolution was supported by data on SARS-CoV-2's backbone - its overall molecular structure.

COVID-19 is spread through contact with respiratory droplets of a person now infected with the virus. The most recently discovered coronavirus is named as SARS-CoV-2 or coronavirus 2.

It is noted that now, scientists are considering two possible theories of a natural origin of the virus itself.

In one scenario, the virus evolved to its current pathogenic state through natural selection in a non-human host and then jumped to humans.

Every day, more information about the coronavirus comes in.

Under the second scenario, the progenitor of SARS-CoV-2 hit a person, acquiring genomic characteristics, by adapting during transmission from person to person.

The malicious program can unfold between people who find themselves in shut touch, inside of about 6 toes.It will also be carried in droplets expelled by way of the coughs and sneezes of the unwell which come into touch with the mouths or noses of others, or perhaps inhaled.It will also be picked up when an individual touches a infected floor after which touches their mouth, nostril and eyes (even supposing this is not more likely to be the most typical approach of selecting up the virus.) Is Hydroxychloroquine the Answer to COVID-19 Pandemic?

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