What does the novel coronavirus epidemic tell us?

China novel coronavirus / xxx January 31, 2020 / BIOON/ is a rapidly studied object of scientists It is good at adapting to new environment and being able to infect new hosts The final result is that viruses can transfer from animal to human body across species, just like the latest epidemic of coronavirus in China It is estimated that 89% of RNA viruses are of animal origin, which means that they originated from animals Later, they were found in human bodies RNA viruses are notorious for their ability to mutate in a variety of environments The virus family includes Ebola virus, the virus that causes West Nile fever, measles and common cold, etc The coronavirus (SARS CoV) related to severe acute respiratory syndrome (SARS-CoV) which broke out in periodontal disease in 2003 is also an RNA virus The Middle East respiratory syndrome coronavirus (mers COV) is more toxic and lethal It was first found in Saudi Arabia in 2012 Both viruses are zoonosis viruses Although it has never been confirmed, scientists believe that SARS CoV is a kind of From bats, infected camels are also thought to be the source of mers cov infection In a word, about 10% of SARS infected people have died, while the mortality rate of mers infected people is about 35% So far, researchers have identified seven human coronaviruses, including two in the 1960s and five since 2003 Source: novel coronavirus novel coronavirus CC0 Public Domain, which was infected with a new coronavirus in December 2019, is known as 2019-nCoV, a new identified coronavirus, and researchers say it originated from a seafood market in Wuhan As of January 26, 2020, the World Health Organization has reported 2014 laboratory confirmed 2019 ncov cases, of which 56 died It is reported that 2019 ncov has spread to five other countries due to modern international travel: Thailand, Japan, South Korea, Taiwan and the United States On the African continent, Ivorian authorities tested a student suspected of the virus on 27 January, who returned from China over the weekend Like other coronaviruses, 2019 - ncov was initially co - infected with humans and animals Although it is too early to confirm, it seems to be a recombinant virus, which means that 2019-ncov carries the genetic material of bats and snakes, indicating that the virus is transmitted from bats to snakes in the wild and finally to humans Coronavirus was initially associated with respiratory, intestinal, liver and nervous system diseases in animals In the 1960s, with the progress of laboratory technology, researchers isolated the first two HCOs (hcov-229e and hcov-oc43) from patients These viruses are associated with upper respiratory tract infections, which cause mild cold like symptoms, so the researchers did not monitor the spread of HCoVs in the population, nor developed vaccines or drugs to treat cov infection Since the outbreak of severe acute respiratory syndrome (SARS) in China in 2003, researchers have found five more human coronaviruses, namely, SARS CoV (2003), HCoV-NL63 (2004), hcov-hku1 (2004), mers cov (2012) and 2019 ncov Like SARS, the elderly, especially those with health problems, are most likely to be infected with 2019 ncov The outbreak of the novel coronavirus outbreak was not entirely unexpected The coronavirus was identified by WHO in 2015 as one of the new pathogens that could cause serious epidemics in the near future For a long time, it is difficult to determine the pathogen of infectious diseases The rapid development of various molecular detection tools enables researchers to recognize a variety of new respiratory viruses, and also helps to analyze the characteristics of newly discovered strains The new infection of coronavirus is also a new infectious disease Like SARS and mers, many new diseases are caused by zoonosis, an animal infectious disease, which infects human beings With the expansion of human population and the expansion of new geographical areas, the possibility of close contact between human beings and animal species that may become hosts of infectious media will increase, which is often at the cost of wild animals Combined with the increase of population density and mobility, it is easy to see that this combination will pose a serious threat to human health Each disease has a social and economic impact; in addition to disease and death, travel, business and daily life are also affected, along with the risk of public fear and economic loss The species of high-risk animal coronaviruses are increasingly diverse, especially in bats Therefore, there is a high possibility of future outbreaks caused by viral gene recombination As the highly pathogenic coronavirus continues to spread from animal sources to human beings, the threat of future pandemics is real Misdiagnosis of future outbreaks will bring additional threats to medical staff, and the spread of hospital-based outbreaks to other patients will also bring further pressure to the already strained medical system Reference: What the latest coronavirus tells us about emerging new infections