Biology, asked by pawan220033, 9 months ago

explain why covid 19 is more dangerous than sars and ebola virus in 100 words

Answers

Answered by FanzyRacer
4

Answer:

The new virus is believed to have come from animals sold in a Wuhan market and that it shares many similarities with SARS, the coronavirus that also originated in an animal-to-human transmission in China in 2002, though it does not appear to be as deadly.

Similar to SARS - or severe acute respiratory syndrome, which infected more than 8,000 people and killed nearly 800 before it was mostly contained in 2003 - the new virus spreads through close person-to-person contact. Each infected person seems to spread the virus to about two others, through coughing or sneezing or by leaving germs on a surface that is touched by non-infected people who touch their faces, said Colleen Kraft, who is associate chief medical officer for Emory University Hospital and helped treat the first US Ebola cases in 2014.

The latest report from Chinese health authorities put the death toll from the new coronavirus at 41, with 1,300 suspected cases nationwide.

It is not nearly as infectious as the measles virus, which can live for up to two hours in the air after an infected person coughs or sneezes. Nor does it appear to be anywhere near as deadly as Ebola, which is also much harder to transmit. Ebola is passed largely through direct contact with an infected person's blood or bodily fluids.

Explanation:

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Answered by jeesha07
2
But it’s also not the first modern virus we’ve faced. In the past two decades, the world battled Ebola, SARS and more than one major flu outbreak. Those left tragedies in their wake but didn’t cause the same level of societal and economic disruption that COVID-19 has. As a result, they can help us understand this new coronavirus — to capture how unique our new reality is, it helps to look back at similar outbreaks that threatened to upend society, but ultimately stopped short. Another respiratory illness caused by a coronavirus, Middle East Respiratory Syndrome, or MERS, has an even higher case fatality rate of 34 percent. But it’s also led to fewer deaths than what we’ve already seen from COVID-19: As of January 2020, there have been 2,519 cases of MERS and 866 associated deaths from the infection. SARS and MERS didn’t cause the same level of devastation that COVID-19 has largely because they aren’t as easily transmitted. Rather than moving by casual, person-to-person transmission, SARS and MERS spread from much closer contact, between family members or health care workers and patients (or, in the case of MERS, from camels to people directly). These viruses also aren’t spread through transmission, meaning infected people don’t spread it before they have symptoms. Once people got sick, they typically stayed home or were hospitalized, making it harder for them to spread the virus around.
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