When Did The Flu Shot Come Out

When Did The Flu Shot Come Out – About 6 percent of all Americans who seek medical care now have flu symptoms, and at least 22 children have died from the flu virus so far this year. According to estimates from the Centers for Disease Control, the flu kills 12,000 Americans in a mild year and up to 56,000 in particularly severe years.

But in the 13 years the CDC has used its current flu surveillance system, this is the first season flu activity has been so widespread across the United States, said Dan Jernigan, director of the influenza division at the National Center for Immunization and Respiratory Diseases. .

When Did The Flu Shot Come Out

“The flu is everywhere in the U.S. right now,” Jernigan said, “This is the first year that the entire continental U.S. has the same color on the chart, which means there’s widespread activity across the entire continental U.S. right now.” “

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The state of Alabama declared a public health emergency due to the size of the outbreak, and 34 people in San Francisco died of flu-related causes during the last week of 2017.

Experts say we’re at the peak of flu cases, but it’s not too late to get a flu shot.

Although flu vaccines vary in effectiveness from year to year and work best when given in the fall before the season, flu shots can still save lives even if they don’t prevent people from spreading the virus. Here’s why it’s important for everyone to take advantage of this modern medicine during flu season.

Scientists did not have a working flu vaccine until the 1940s, when the flu virus was first discovered in the early 1930s.

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Soldiers fighting in World War II were the first patients to receive the flu vaccine when it was approved for military use in 1945, and it was approved for general use the following year.

Thomas Francis Jr., MD, and Jonas Salk, MD, who are known for developing the polio vaccine, were both integral to the development of the influenza vaccine.

The inventor of the polio vaccine, Dr. Jonas A. Salk (C) stands with Thomas Francis (L) during a press conference. (Photo by Al Fan/The Life Image Collection/Getty Images)Al Fan/The Life Image Collection/Getty Images

The first flu vaccines protected against one strain of the disease, influenza A. In 1942, after the discovery of influenza B, a combination vaccine was developed that protected against both influenza A and influenza B. As scientists learned more about the virus and its methods of mutation, the World Health Organization (WHO) developed more stringent measures to target the strains that infect most people, which began in 1973.

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Today, the flu vaccine contains three types of virus. WHO determines which strains to include based on how the virus has mutated in the past year and where it is spreading. The trivalent vaccine combines two strains of influenza A and one strain of influenza B to encourage your immune system to make antibodies to all three versions of the flu.

But it’s still a guessing game. There are four types of influenza virus – A, B, C and D – of which the most common types are A or B. In most years, the flu vaccines produced are between 40% and 60% effective.

A doctor with his syringe prepares to give a flu shot to Margaret Eyre, who plays Snow White, and the rest of the cast at City Variety, Leeds, December 1969. WATFORD/Mirrorpik/Mirrorpik via Getty Images

“The holy grail is to target a piece of the virus with an antibody or a T cell,” said Tom Evans, CEO of VaccineTech, which is working on a universal vaccine that they hope will treat all strains of influenza A. will be used for National Geographic.

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In general, two A strains are most common during flu season: H1N1 and H3N2. This year, the H3N2 strain is particularly virulent and widespread — more than 80 percent of all cases this season involve this type of flu virus, according to the CDC.

To make matters worse, the 2017 vaccine does not fight the more serious strain of H3N2. It’s still too early to know for sure, but public health experts predict that the current flu vaccine is only 10 percent to 30 percent effective.

The flu vaccine contains a cocktail of three or four strands of inactivated flu viruses, or particles that look like those viruses to your immune system. Early versions of the flu vaccine were not as clean as modern vaccines, which sometimes contributed to side effects such as fever, aches and fatigue.

This may lead to the misconception that you can get the flu from a flu shot, but that’s simply not true. Some people still experience side effects such as headache, fever and nausea, but it is unlikely to get the flu virus from the shot, according to the CDC.

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Another common concern is that flu vaccines contain mercury. The flu vaccine contains a preservative called thimerosal, which breaks down into ethyl mercury once in the body. However, it is not the form of the element that causes mercury poisoning. This, in case you were wondering, is methylmercury. After Private David Lewis collapsed and died during basic training at Fort Dix, New Jersey on February 4, 1976, an investigation into the unexplained death of the 19-year-old identified a long-dormant but notorious killer.

Blood tests performed at the Centers for Disease Control revealed that Lewis had contracted swine flu, which at the time was believed to be genetically close to the 1918 flu, mislabeled as the “Spanish flu.” It had killed more than 650,000 Americans and many more. As many as 50 million worldwide. Eleven other soldiers at Fort Dix tested positive for swine flu but recovered — while hundreds more on base tested positive for swine flu antibodies.

It announced on its front page that “the virus that caused the world’s largest influenza epidemic in modern times – the Great Pandemic of 1918-1919 – may be back.”

With swine flu expected to reappear later that fall, federal officials feared an even more deadly pandemic than nearly 60 years ago. US Secretary of Health, Education and Social Welfare F. David Matthews predicted that a million Americans would die during the 1976 flu season unless action was taken. Citing the “strong possibility” of a swine flu pandemic, CDC Director David Sanzer recommended an unprecedented plan: mass vaccination of American citizens.

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President Gerald Ford announced the National Swine Flu Immunization Program on March 24, 1976 in the White House Press Briefing Room. With him, they include virologist Dr. Jonas Salk (left) and US Secretary of Health, Education and Human Services David Matthews (center). . .

Although no other cases of swine flu have been found outside of Fort Dix, the CDC advocates a better course of action than amnesty. “The administration can better afford unnecessary health care costs than unnecessary death and disease,” Sentzer wrote in a March 13 memo. When presented with a $135 million plan to stem a pandemic that could cost billions of dollars and untold lives, President Gerald Ford had few political options, especially in a presidential election year. “There was no going back on the censor memo,” a presidential aide recalled. “If we try to do it, it will leak.” That memo is a gun to our head.

Knowing that the greatest risk was to do nothing, Ford announced his support for a mass immunization plan at a press conference, led by polio vaccine developers Jonas Salk and Albert Sabin. “Nobody knows how serious this threat could be.” “However, we cannot afford to jeopardize the health of our nation,” the president said. Although CDC officials have expressed more concern about a repeat of the 1957 and 1968 flu pandemics, which each killed about 100,000 Americans, administration officials have repeatedly raised the specter of 1918.

“Scientists are not saying right now that this will necessarily be a decline in Spanish flu,” says George Denner, associate professor at Wichita State University and author of Influenza: A Century of Science and the Public Health Response. “The way scientists talked about it was more complicated than political officials and the media wanted to liken it to the Spanish flu.”

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As part of the National Swine Flu Immunization Program, which received bipartisan approval from Congress, the federal government plans to purchase 200 million doses of vaccine manufactured by pharmaceutical companies and distribute them free to state health agencies. It will be the largest immunization campaign in the United States, surpassing previous polio vaccination drives.

However, problems plagued the program from the start. A pharmaceutical company produced 2 million doses of the vaccine with the wrong virus strain. Tests did not achieve adequate antibody levels in children. And with a short timeline that prevented typical years of testing and clinical trials, insurance companies denied coverage to vaccine manufacturers in the event of an inevitable adverse reaction.

With Lewis still the only swine flu death, studies show that the pressure is less violet than before, and the United States is the only country that plans mass vaccination, Ford’s critics have accused him.

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