coronavirus pandemic compared to other pandemics

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  • Mar 08, 2019

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March 18, 2020

There are several major differences between the 2009 swine flu and COVID-19, and the response to each.

It’s been a little over a decade since the world experienced last pandemic 2009 H1N1 swine flu. Between spring 2009 and spring of 2010, the virus infected as many as 1.4 billion people worldwide and kills between 151 700 and 575 400 people, according to. Now, the world is in the middle of the 19th COVID pandemic, caused by a new coronavirus, called SARS-CoV-2.

After a pandemic in history, it seems reasonable to expect that government agencies in the US will be ready for the next one. But there are some major differences between the 2009 swine flu and COVID-19, and the response to each.

“The 2009 H1N1 pandemic should have been a warning sign,” said Steffanie Strathdee, Associate Dean of Global Health Sciences at the University of California San Diego Department of Medicine. “It did not end up becoming a pandemic that killed millions of people as we feared it would be, but it should have been a wake up call. With all serious estimates, COVID-19 will be a major killer.”

Strathdee also the author of “” (Hachette Books, 2019), a memoir of her personal experience battling deadly microbial pathogens, a so-called superbug Acinetobacter baumannii, and watched her husband almost died from it. Her husband fully recovered, but at high risk of developing serious complications if COVID-19 reached pandemic him.

2009 pandemic H1N1 flu is the second pandemic the world has seen – the first was in 1918, still the deadliest pandemic in history. 2009 pandemic caused by a new strain of H1N1 which originated in Mexico in the spring of 2009 before spreading to the rest of the world. In June of that year, there were quite a lot of cases that the World Health Organization declared the swine flu outbreak a pandemic.

In the US, between April 2009 and April 2010, the CDC estimated that there were 60.8 million cases of swine flu, with more than 274,000 hospitalizations and nearly 12,500 deaths -. It was a mortality rate of about 0.02%

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fatality rate for coronavirus new much higher so far, around 2% (although the number is likely to change as more people tested). That may not sound like a big difference, “but when extrapolated, it can mean millions of preventable deaths,” Strathdee said.

2009 flu pandemic mainly affected children and young adults, and 80% of deaths were in people younger than 65, the CDC reported. It was not unusual, given that most influenza virus strains, including those that cause seasonal flu, the highest percentage cause of death in people age 65 and older. But in the case of swine flu, the elderly seem to have built sufficient immunity against the H1N1 virus belongs to a group, so it is not affected much.

There are usually a couple of herd immunity to seasonal flu, Strathdee said. This means that so many people are immune to infection, due to the vaccine or because their immune system is already fighting an infection, that some people are not immune somewhat protected. Maybe there are some groups of people who have no immunity to 2019-CoV virus-2, as well, but the area is still under investigation. So far, COVID-19 is one that has an underlying health condition.

Another difference is that flu viruses spread in respiratory droplets and airborne particles, while the 2019-CoV-2 is mainly spread through respiratory droplets, and in some cases may be shed in feces, Strathdee said. “We do not know how important the oral-fecal route of infection, but it’s another reason to wash your hands regularly with and water,” he said.

swine flu symptoms similar to those caused by other viruses, especially: fever, cough, headache, body aches, sore throat, chills, fatigue and runny nose. Symptoms appear between one and four days after contracting the virus.

Doctors still determine the full breadth. So far, the most obvious signs of the disease seems to fever, dry cough and shortness of breath, according to the CDC. Other symptoms, including headache, sore throat, abdominal pain and diarrhea, have been reported, but less common. And like the flu, COVID-19 can causerespiratory problems that cause serious problems, such as.

But some people with COVID-19 have mild symptoms, or they may not experience any symptoms at all, according to. This virus appears to have an incubation period of between four and 14 days, which means that an individual can bring (and spread) virus for up to two weeks before experiencing any illness.

H1N1 Flu is also less contagious than the new coronavirus. Basic reproductive number, also called the R-waste, is the expected number of individuals who can catch the virus from an infected person singular. For the 2009 H1N1 virus, the average value of R it is 1.46, according to a review published in the journal. For the new coronavirus, worth an estimated R-value between 2 and 2.5, at the moment.

There are some differences in the way the US response to the 2009 H1N1 pandemic compared to the nation’s response to COVID 19th pandemic.

“The main difference in the response was that we are better prepared for pandemic (at least in the US) last year,” Strathdee said.

At the beginning of the pandemic, the genetic sequence of the virus released to the public with remarkable speed, so that the state can make diagnostic tests as soon as possible. On April 24, 2009, just nine days after the initial detection of H1N1, CDC upload the virus’s genetic sequence database to the public and has begun the development of a vaccine. Similarly, on January 12, 2020, five days after the new coronavirus was isolated, Chinese scientists published the virus’ genetic sequence.

But that’s about where the similarity stops. Things did not happen quite quickly or as smoothly with COVID-19, as they did with H1N1.

The first case COVID-19 in the US identified on January 20, and the state departments of Health and Human Services stated COVID-19 public health emergencies 11 days later, on 31 Jan Conversely, the US declared the swine flu health emergencies the public only two days after the first US case was confirmed in 2009.

within four weeks to detect H1N1 in 2009, the CDC began to let go of their stockpile of medical supplies to prevent and treat influenza, and most states the US has a laboratory capable of diagnosing H1N1 without verification with the CDC tests.

But it ran into a hiccup diagnostic testing significantly when it comes to COVID-19. On February 5, the CDC began sending diagnostic kit for 2019-CoV-2 to 100 public health laboratories across the country. Most laboratories that received damaged kit, which caused major delays in fighting the virus. Testing should be kept exclusively in the headquarters of the CDC until the agency can develop and send you a replacement kit. This means that COVID-19 continues to spread, undetected for weeks.

FDA Commissioner announced on February 29 that the agency would allow labs across the country to begin testing for the novel coronavirus with their own lab- advanced testing without prior consent, for laboratory take basic steps to validate the test and proposed the “use of emergency authorization” (EUA) application within 15 days of notification

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by March 10th seven weeks after the first case was confirmed in the US, the CDC announced that 79 state and local public health laboratories in the United States can test people for COVID-19. But some of them are already running laboratory tests.

“The other difference is that this is the first pandemic in the age of social media,” says Strathdee. Have a rapid spread of the virus, he said, as has blamed a virus. “We need to stop thinking like this. We must unite against the virus.”

However, the positive side of life in an age of advanced technology is the speed at which research and vaccine development can occur. A and the first meeting of which is already underway, which is amazing and encouraging, Strathdee said. “It will take time for vaccines and treatments to be studied and improved,” he said. “So in the meantime, we all need to do our part and stay home.”

Originally published.

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