There are six types of coronaviruses that infect humans and many others that infect animals, but in 2012 further new beta coronaviruses were identified that can cause disease in both humans and animals such as mice, rats, birds, mice and rats. There are four different types of coronaviruses, six of which infect humans and several other species in the animal kingdom. Coronaviruses are enveloped viruses that cause respiratory infections, respiratory infections and other diseases. They have a number of different forms, from small viruses to large viruses and even viruses with human appearance.
Coronavirus may be a new word for most people, but for a small group of scientists, the term has dominated their careers for decades. Through electron microscopy, they have a crown - like the look that gives them their name.
According to the World Health Organization, coronaviruses are responsible for diseases ranging from colds and heart disease to respiratory infections and even cancer. There is even evidence that the virus that triggered the COVID-19 pandemic is itself a "coronavirus," meaning that it belongs to a group of pathogens that share a common name because they are all similar. A few other viruses in this category made headlines in 2012, but not for the same reasons.
SARS was transmitted to humans by veterinarians and cats, whereas Mer - mer passed from a camel type through the camel mouth to humans and then to the lungs of humans.
The virus looked like it was surrounded by the solar corona under the electron microscope and spread rapidly, infecting more than 8,000 people and killing about 800.
MERS - CoV epidemic occurred in people who had symptoms similar to SARS - CoV but died at a much higher rate of 34 percent. Unlike Sars and CoVs, which spread rapidly and widely, Mers-coV is limited to the Middle East. Both SARS-CoV and MERS-coVs come from bats, while other animals, including camels in the case of MERS, can act as mediators in the spread of coronaviruses to humans.
In a paper published in Microbiology and Molecular Biology Reviews in 2005, NL63 was detected in the blood of immunocompromised adults, which is mainly associated with infections in children, but also in adults. Although it is primarily associated with the common cold, it is also known to cause the "cold" in humans. Like SARS - CoV and 2-mer, Sars - coV is a human coronavirus that could cause serious illness in people with compromised immune systems such as children and adults with immunosuppression.
SARS - CoV, on the other hand, was identified during the 2003 outbreak in China, and historical studies suggest that some people who survived had antibodies in their blood years after recovering from outbreaks of acute respiratory syndrome (SARS) in 2003 and 2003.
This is not to say that Covid-19 will elicit a similar immune response, but if health officials get a better idea of what proportion of the population is theoretically immune to the virus, this information can help remove social distancing and movement restrictions. Both SARS and Covids 19 are caused by coronaviruses, and some reports suggest that people can be infected with both viruses at the same time, meaning that some patients may not develop immunity at all.
Scientists are baffled by the different ways these diseases manifest themselves. Cases without symptoms range from mild to mild fever to severe such as acute respiratory distress syndrome, which can be so severe that it can be fatal.
In patients who survive SARS, cells that mediate innate immunity seem to play an important role. A protein that helps activate a gene called TICAM2 that is involved in the production of a protein called tribute - such as receptor (TLR) and a number of other proteins.
With MERS - CoV an increased age and already existing accompanying diseases are associated with mortality, such as high blood pressure, heart disease, diabetes, high blood pressure, cancer and diabetes.
The recent spread of COVID-19 seems to be receiving a lot of attention, but this is not the first time we have seen an outbreak of this disease. We have seen evidence that there is indeed a third type of the known coronavirus. Experimentally undetectable But we assume that it can do the same and cause disease in humans and other animals.
Severe acute respiratory syndrome (SARS), first reported in 2003, and Middle East respiratory syndrome (MERS), first reported in 2012. Both have been detected in humans, raising the possibility of a third coronavirus outbreak in the US and other countries.
Nevertheless, it has been known for about 50 years that coronaviruses occur in humans as well as in other animals such as cats and dogs. Coronaviruses are widespread in both cats and dogs, sometimes leading to so-called fatal diseases in cats and dogs. In this article, we discuss the different types of FCoVs and CCoV and their role in the development of SARS and MERS to illustrate how studying both can improve our general understanding of the pathobiology of coronaveiruses.
Sources:
https://www.aljazeera.com/news/2020/01/coronavirus-symptoms-vaccines-risks-200122194509687.html
https://www.hindawi.com/journals/av/2011/609465/
https://www.infectiousdiseaseadvisor.com/home/decision-support-in-medicine/infectious-diseases/coronaviruses-including-sars/
https://www.discovermagazine.com/health/some-types-of-coronavirus-only-cause-colds-what-makes-this-new-virus
https://www.newscientist.com/term/coronavirus/
https://www.scientificamerican.com/article/do-your-genes-predispose-you-to-covid-19/
https://indianexpress.com/article/explained/types-of-human-coronaviruses-and-symptoms-6368444/
https://www.adventhealth.com/blog/comparing-different-types-coronaviruses
https://www.medicaldevice-network.com/features/types-of-covid-19-test-antibody-pcr-antigen/
Comments
Post a Comment