Influenza A Influenza A is a highly contagious virus, which can cause dramatic illness, periodic pandemics and outbreaks globally every year. The major source of these onsets per annum is the emergence of an antigenically novel virus which the human population lack protective immunity against. Meanwhile, animals are a source of panzootics which largely contribute to influenza pandemics. Therefore, it is critical to comprehend the epidemiological and molecular mechanisms by which influenza A viruses acquire the capability to cross species barriers.
In a typical year, more thanAmericans are hospitalized for flu-related complications, and over the past three decades, there have been some 3, to 49, flu-related U.
Young children, people over age 65, pregnant women and people with certain medical conditions, such as asthma, diabetes or heart disease, face a higher risk of flu-related complications, including pneumonia, ear and sinus infections and bronchitis.
The Flu Strikes Far and Wide The first wave of the pandemic occurred in the spring and was generally mild. The sick, who experienced such typical flu symptoms as chills, fever and fatigue, usually recovered after several days, and the number of reported deaths was low.
However, a second, highly contagious wave of influenza appeared with a vengeance in the fall of that same year. Victims died within hours or days of developing symptoms, their skin turning blue and their lungs filling with fluid that caused them to suffocate.
In just one year,the average life expectancy in America plummeted by a dozen years.
One unusual aspect of the flu was that it struck down many previously healthy, young people—a group normally resistant to this type of infectious illness—including a number of World War I servicemen. In fact, more U. Forty percent of the U. Navy was hit with the flu, while 36 percent of the Army became ill, and troops moving around the world in crowded ships and trains helped to spread the killer virus.
Although the death toll attributed to the Spanish flu is often estimated at 20 million to 50 million victims worldwide, other estimates run as high as million victims. The exact numbers are impossible to know due to a lack of medical record-keeping in many places.
What is known, however, is that few locations were immune to the flu—in America, victims ranged from residents of major cities to those of remote Alaskan communities. Fighting the Spanish Flu When the flu hit, doctors and scientists were unsure what caused it or how to treat it.
Unlike today, there were no effective vaccines or antivirals, drugs that treat the flu. The first licensed flu vaccine appeared in America in the s. By the following decade, vaccine manufacturers could routinely produce vaccines that would help control and prevent future pandemics.
Complicating matters was the fact that World War I had left parts of America with a shortage of physicians and other health workers. And of the available medical personnel in the U.
Additionally, hospitals in some areas were so overloaded with flu patients that schools, private homes and other buildings had to be converted into makeshift hospitals, some of which were staffed by medical students.
Officials in some communities imposed quarantines, ordered citizens to wear masks and shut down public places, including schools, churches and theaters. People were advised to avoid shaking hands and to stay indoors, libraries put a halt on lending books and regulations were passed banning spitting.
Funeral parlors were overwhelmed and bodies piled up. Many people had to dig graves for their own family members.
The flu was also detrimental to the economy. In the United States, businesses were forced to shut down because so many employees were sick.
Basic services such as mail delivery and garbage collection were hindered due to flu-stricken workers. Even state and local health departments closed for business, hampering efforts to chronicle the spread of the flu and provide the public with answers about it.
Spanish Flu Pandemic Ends By the summer ofthe flu pandemic came to an end, as those that were infected either died or developed immunity. Sincethere have been several other influenza pandemics, although none as deadly.
A flu pandemic from to killed around 2 million people worldwide, including some 70, people in the United States, and a pandemic from to killed approximately 1 million people, including some 34, Americans.Influenza Essay Influenza is a disease also known as ‘the flu’ which is most common in the U.S.
Influenza is caused by a contagious virus that is spread by fluids of coughing, sneezing and direct eye contact from surfaces where serious infection and death occur around the world mostly in winter. The influenza pandemic was the most severe pandemic in recent history. It was caused by an H1N1 virus with genes of avian origin.
Although there is not universal consensus regarding where the virus originated, it spread worldwide during In the United States, it was first identified. Get Help With Essay-Influenza Influenza we will assess the influenza pandemic of and the H5N1 avian influenza.
Analyze the information; focus on the control measures used in the past and modern times, and assess what we can do today to prevent an influenza epidemic from spreading in the US. Get in touch with us to get help with Pandemic Influenza Essay Help or any other essay topic (HHS), it is estimated that if a pandemic influenza virus similar to the strain in virulence emerged today, in the absence of intervention, million Americans could die and almost 10 million could be hospitalized over the course of the.
Essay: Influenza A Influenza A is a highly contagious virus, which can cause dramatic illness, periodic pandemics and outbreaks globally every year. The major source of these onsets per annum is the emergence of an antigenically novel virus which the human population lack protective immunity against.
The Influenza Pandemic Of History Essay. Print Reference this. Disclaimer: (Turkington, C; Ashby, B).
The effects of the virus that caused the influenza pandemic of resulted in mortalities and then preventive measures, which had a tremendous impact on history, mainly on World War I.
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