Is Covid-19 really that deadly?

In some people, this can lead to life-threatening complications.
This article looks at COVID-19 fatalities and most at-risk groups.
It also explores what the disease does to the body and how it compares to flu and acute acute respiratory syndrome (SARS).




For more information on the COVID-19 outbreak, visit our Coronavirus Hub and follow our live update page. Older people and those with current health conditions are at higher risk for serious complications, which can be fatal. According to the World Health Organization (WHO), 80% of people who develop the disease have mild to moderate symptoms and recover completely without the need for hospital treatment. 1 in 5 people will experience a serious illness. Older people may develop serious symptoms, such as ongoing health conditions, Some severe COVID-19 symptoms include difficulty breathing and feeling of chest pressure.
COVID-19 can cause serious and sometimes life-threatening problems, including:
The novel coronavirus enters the body through the eyes, nose or mouth. The virus then travels to the lungs and stimulates the airway layer. This inflammation irritates the surrounding nerves and causes coughing. The virus then spreads to the s lung and causes infection and damage, reducing the supply of oxygen to the bloodstream. When the oxygen level in the bloodstream decreases, the heart has to work hard to supply enough oxygen to the organs and the rest of the body. Meanwhile, the immune system is working to fight off the infection, and in doing so it can cause inflammation throughout the body. This inflammation lowers blood pressure, causing the heart's organs to pump oxygen. Lung enlargement of the lungs or pneumonia due to ung lungs. Pneumonia progresses to lung failure, in which case a person may need a ventilator to breathe. In people with current damage to the heart or the lungs, these problems can be fatal. Older people are at greater risk for serious complications due to decreased elasticity in lung tissue and less robust immune function.
The mortality rate of COVID-19 varies depending on where in the world a person is, their age and whether they have health problems.
The mortality rate of COVID-19 is generally higher in the older population. The state of the local or national health system also affects mortality. If hospitals are overwhelmed with severe cases of COVID-19, they may not have the resources to deal with them. It is important to note that the number of COVID-19 trials in a given area can significantly affect mortality data. Case - Mortality Ratio refers to the mortality ratio among those with confirmed COVID-19.



Current reports indicate that in the United States, the case-to-death ratio is 5.9%.
As most people recover with mild cases of COVID-19, this number will decrease with increasing testing. However, among the elderly and those with health conditions, deaths may be higher. The symptoms of COVID-19 are similar to the symptoms of the flu, and both cause respiratory disease. However, a person develops flu symptoms more quickly than COVID-19 symptoms. Doctors refer to the time between the onset of the infection and the symptoms that occur during the incubation period. The flu lasts only a few days, but the symptoms of COVID-19 can take up to 2 weeks. Flu symptoms are mild to some, and to others they can be severe and life-threatening.
According to WHO, current research on the severity of COVID-19 suggests:
15% of cases are severe, and people need oxygen support 5% of cases are significant, and people need mechanical ventilation. This suggests that COVID-19 may be more severe or more severe than the flu. Other research suggests that the flu spreads faster than COVID-19. Additionally, COVID-19 affects fewer children than the flu. Overall, the global mortality rate of COVID-19 is higher than the flu. The reported death toll was 3-4% in reported cases. For comparison, the seasonal flu mortality rate is generally less than 0.1%, although this varies depending on health care access. However, due to the large number of asymptomatic and mild cases, most COVID-19 cases have not been reported, meaning mortality rates are likely to be very low.
Learn more about the difference between COVID-19 and the flu.
Another type of disease caused by coronavirus is SARS. Between 2002 and 2004, the spread of SARS in China spread to other countries. SARS can also cause serious problems such as pneumonia and severe breathing problems. According to the National Foundation for Infectious Diseases, the SARS mortality rate is approximately 10%. Although more research is needed, COVID-19 can spread faster than SARS, although it may reduce the likelihood of serious disease. There have been no reports of SARS in humans since 2004. Most people with COVID-19 experience mild to moderate symptoms and most recover without the need for hospital treatment. For some people, including the elderly and ongoing health conditions, COVID-19 can cause serious symptoms and, at times, become a serious threat.



One good way to prevent infection is to prevent COVID-19.
As the coronavirus novel spreads around the world, people and businesses are locked in our communities and across the United States, the virus is clearly feared. But of all the many viruses that can infect humans, what is the most deadly epidemic in a century? The virus that causes COVID-19 is not very lethal. Coronaviruses that cause Acute Acute Respiratory Syndrome (SARS) and Middle East Respiratory Syndrome (MERS) cause 10% of infections and 30% to 40% of cases, respectively. Scientists are not sure that COVID-19 is nearly 10 times more deadly than seasonal flu, causing 0.1% of infected people to die until the tests are widespread.
Farhall, MD, Professor of Medicine and Molecular Biology and Biochemistry and Head of Infectious Diseases at the UCI School of Medicine. After collecting data on hotspots around the world, Fortale hopes today we can reduce deaths. Klein, professor of infectious diseases at UCI School of Medicine. Buchmeier believes that the virus, although fatal, is considered an epidemic of seasonal flu, in which one person infects another two or three. In contrast, with Measles, a person infects 18, or chicken pox, a person 12. However, these two most contagious diseases can be controlled by vaccination. But this is a virus that has never been seen in humans, so no person gets immunity.
It can easily spread from one person to another in the form of influenza and infect the upper respiratory system, making it very dangerous. The COVID-19 virus spreads through the upper airways - including the mouth and nose - by coughing, sneezing, huffing, and puffing, and is loud, according to Fortale. Furthermore, we are discovering that the virus is accidentally spreading a few days before infected people begin to experience symptoms. Neither SARS nor MERS can be easily or widely disseminated.
This allows the virus to enter the cells quickly, gain a firm grip, and spread quickly throughout the body. The virus also attacks the lower respiratory tract - bronchial tubes and s lungs, where it causes pneumonia. This triggers an inflammatory response as the body tries to fight off the attackers. In some people - about 15% - this immune response initiates a cyclic transgression of the body's immune system called a cytokine storm. "Not only can you cause serious damage to the lungs, it may or may not be a direct cause of the virus," Fortale said. Fortale said some people were seriously ill or died. Researchers have observed that other coronaviruses provoke similar cytokine overexpression.



Age, sex, and chronic condition increase the risk
The mortality rate is higher among those over 70, and mortality increases with age, Fortel said. Obesity and other chronic conditions - such as high blood pressure, diabetes and the underlying heart, lungs and kidney disease - increase the risk of serious infections, Fortis said. The prevalence of these diseases in the elderly may be higher in the elderly and in some people the onset of dementia is related to the symptoms they experience, which can have devastating effects on the virus in nursing and care homes. Adding although doctors are still unaware, research has shown that cytokine overexpression patterns are based on age and sex with other coronaviruses. Fortale and Buchmeier, members of the UC Irvine Center for Virus Research, are now in the news, and the subject of the UCI Health Clinical Trial is promising to treat COVID-19.



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