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1918: Spanish Influenza

Zam-Zam

Senator
When I researched vaccines, this is not where I began but --- if you want to find out more this is not a bad library to begin -


There are theories, but there appears to be no definitive answer as of yet:


The 1918–1919 influenza pandemic killed more people than any other outbreak of disease in human history. The lowest estimate of the death toll is 21 million, while recent scholarship estimates from 50 to 100 million dead. World population was then only 28% what is today, and most deaths occurred in a sixteen week period, from mid-September to mid-December of 1918.

It has never been clear, however, where this pandemic began. Since influenza is an endemic disease, not simply an epidemic one, it is impossible to answer this question with absolute certainty. Nonetheless, in seven years of work on a history of the pandemic, this author conducted an extensive survey of contemporary medical and lay literature searching for epidemiological evidence – the only evidence available. That review suggests that the most likely site of origin was Haskell County, Kansas, an isolated and sparsely populated county in the southwest corner of the state, in January 1918 [1]. If this hypothesis is correct, it has public policy implications.

But before presenting the evidence for Haskell County it is useful to review other hypotheses of the site of origin. Some medical historians and epidemiologists have theorized that the 1918 pandemic began in Asia, citing a lethal outbreak of pulmonary disease in China as the forerunner of the pandemic. Others have speculated the virus was spread by Chinese or Vietnamese laborers either crossing the United States or working in France.

More recently, British scientist J.S. Oxford has hypothesized that the 1918 pandemic originated in a British Army post in France, where a disease British physicians called "purulent bronchitis" erupted in 1916. Autopsy reports of soldiers killed by this outbreak – today we would classify the cause of death as ARDS – bear a striking resemblance to those killed by influenza in 1918 [2].

But these alternative hypotheses have problems. After the 1918–1919 pandemic, many investigators searched for the source of the disease. The American Medical Association sponsored what is generally considered the best of several comprehensive international studies of the pandemic conducted by Dr. Edwin Jordan, editor of The Journal of Infectious Disease. He spent years reviewing evidence from all over the world; the AMA published his work in 1927.

Since several influenza pandemics in preceding centuries were already well-known and had come from the orient, Jordan first considered Asia as the source. But he found no evidence. Influenza did surface in early 1918 in China, but the outbreaks were minor, did not spread, and contemporary Chinese scientists, trained by Rockefeller Institute for Medical Research (now Rockefeller University) investigators, stated they believed these outbreaks were endemic disease unrelated to the pandemic [3]. Jordan also looked at the lethal pulmonary disease cited by some historians as influenza, but this was diagnosed by contemporary scientists as pneumonic plague. By 1918 the plague bacillus could be easily and conclusively identified in the laboratory [3]. So after tracing all known outbreaks of respiratory disease in China, Jordan concluded that none of them "could be reasonably regarded as the true forerunner" of the pandemic [3].

Jordan also considered Oxford's theory that the "purulent bronchitis" in British Army camps in 1916 and 1917 was the source. He rejected it for several reasons. The disease had flared up, true, but had not spread rapidly or widely outside the affected bases; instead, it seemed to disappear [3]. As we now know a mutation in an existing influenza virus can account for a virulent flare-up. In the summer of 2002, for example, an influenza epidemic erupted in parts of Madagascar with an extremely high mortality and morbidity; in some towns it sickened an outright majority – in one instance sixty-seven percent – of the population. But the virus causing this epidemic was an H3N2 virus that normally caused mild disease. In fact, the epidemic affected only thirteen of 111 health districts in Madagascar before fading away [4]. Something similar may have happened in the British base.

Jordan considered other possible origins of the pandemic in early 1918 in France and India. He concluded that it was highly unlikely that the pandemic began in any of them [3].

That left the United States. Jordan looked at a series of spring outbreaks there. The evidence seemed far stronger. One could see influenza jumping from Army camp to camp, then into cities, and traveling with troops to Europe. His conclusion: the United States was the site of origin.

A later equally comprehensive, multi-volume British study of the pandemic agreed with Jordan. It too found no evidence for the influenza's origin in the Orient, it too rejected the 1916 outbreak among British troops, and it too concluded, "The disease was probably carried from the United States to Europe [5]."




Complete text: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC340389/
 

Zam-Zam

Senator
When I researched vaccines, this is not where I began but --- if you want to find out more this is not a bad library to begin -


There are theories, but there appears to be no definitive answer as of yet:


The 1918–1919 influenza pandemic killed more people than any other outbreak of disease in human history. The lowest estimate of the death toll is 21 million, while recent scholarship estimates from 50 to 100 million dead. World population was then only 28% what is today, and most deaths occurred in a sixteen week period, from mid-September to mid-December of 1918.

It has never been clear, however, where this pandemic began. Since influenza is an endemic disease, not simply an epidemic one, it is impossible to answer this question with absolute certainty. Nonetheless, in seven years of work on a history of the pandemic, this author conducted an extensive survey of contemporary medical and lay literature searching for epidemiological evidence – the only evidence available. That review suggests that the most likely site of origin was Haskell County, Kansas, an isolated and sparsely populated county in the southwest corner of the state, in January 1918 [1]. If this hypothesis is correct, it has public policy implications.

But before presenting the evidence for Haskell County it is useful to review other hypotheses of the site of origin. Some medical historians and epidemiologists have theorized that the 1918 pandemic began in Asia, citing a lethal outbreak of pulmonary disease in China as the forerunner of the pandemic. Others have speculated the virus was spread by Chinese or Vietnamese laborers either crossing the United States or working in France.

More recently, British scientist J.S. Oxford has hypothesized that the 1918 pandemic originated in a British Army post in France, where a disease British physicians called "purulent bronchitis" erupted in 1916. Autopsy reports of soldiers killed by this outbreak – today we would classify the cause of death as ARDS – bear a striking resemblance to those killed by influenza in 1918 [2].

But these alternative hypotheses have problems. After the 1918–1919 pandemic, many investigators searched for the source of the disease. The American Medical Association sponsored what is generally considered the best of several comprehensive international studies of the pandemic conducted by Dr. Edwin Jordan, editor of The Journal of Infectious Disease. He spent years reviewing evidence from all over the world; the AMA published his work in 1927.

Since several influenza pandemics in preceding centuries were already well-known and had come from the orient, Jordan first considered Asia as the source. But he found no evidence. Influenza did surface in early 1918 in China, but the outbreaks were minor, did not spread, and contemporary Chinese scientists, trained by Rockefeller Institute for Medical Research (now Rockefeller University) investigators, stated they believed these outbreaks were endemic disease unrelated to the pandemic [3]. Jordan also looked at the lethal pulmonary disease cited by some historians as influenza, but this was diagnosed by contemporary scientists as pneumonic plague. By 1918 the plague bacillus could be easily and conclusively identified in the laboratory [3]. So after tracing all known outbreaks of respiratory disease in China, Jordan concluded that none of them "could be reasonably regarded as the true forerunner" of the pandemic [3].

Jordan also considered Oxford's theory that the "purulent bronchitis" in British Army camps in 1916 and 1917 was the source. He rejected it for several reasons. The disease had flared up, true, but had not spread rapidly or widely outside the affected bases; instead, it seemed to disappear [3]. As we now know a mutation in an existing influenza virus can account for a virulent flare-up. In the summer of 2002, for example, an influenza epidemic erupted in parts of Madagascar with an extremely high mortality and morbidity; in some towns it sickened an outright majority – in one instance sixty-seven percent – of the population. But the virus causing this epidemic was an H3N2 virus that normally caused mild disease. In fact, the epidemic affected only thirteen of 111 health districts in Madagascar before fading away [4]. Something similar may have happened in the British base.

Jordan considered other possible origins of the pandemic in early 1918 in France and India. He concluded that it was highly unlikely that the pandemic began in any of them [3].

That left the United States. Jordan looked at a series of spring outbreaks there. The evidence seemed far stronger. One could see influenza jumping from Army camp to camp, then into cities, and traveling with troops to Europe. His conclusion: the United States was the site of origin.

A later equally comprehensive, multi-volume British study of the pandemic agreed with Jordan. It too found no evidence for the influenza's origin in the Orient, it too rejected the 1916 outbreak among British troops, and it too concluded, "The disease was probably carried from the United States to Europe [5]."




Complete text: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC340389/
 
There are theories, but there appears to be no definitive answer as of yet:


The 1918–1919 influenza pandemic killed more people than any other outbreak of disease in human history. The lowest estimate of the death toll is 21 million, while recent scholarship estimates from 50 to 100 million dead. World population was then only 28% what is today, and most deaths occurred in a sixteen week period, from mid-September to mid-December of 1918.

It has never been clear, however, where this pandemic began. Since influenza is an endemic disease, not simply an epidemic one, it is impossible to answer this question with absolute certainty. Nonetheless, in seven years of work on a history of the pandemic, this author conducted an extensive survey of contemporary medical and lay literature searching for epidemiological evidence – the only evidence available. That review suggests that the most likely site of origin was Haskell County, Kansas, an isolated and sparsely populated county in the southwest corner of the state, in January 1918 [1]. If this hypothesis is correct, it has public policy implications.

But before presenting the evidence for Haskell County it is useful to review other hypotheses of the site of origin. Some medical historians and epidemiologists have theorized that the 1918 pandemic began in Asia, citing a lethal outbreak of pulmonary disease in China as the forerunner of the pandemic. Others have speculated the virus was spread by Chinese or Vietnamese laborers either crossing the United States or working in France.

More recently, British scientist J.S. Oxford has hypothesized that the 1918 pandemic originated in a British Army post in France, where a disease British physicians called "purulent bronchitis" erupted in 1916. Autopsy reports of soldiers killed by this outbreak – today we would classify the cause of death as ARDS – bear a striking resemblance to those killed by influenza in 1918 [2].

But these alternative hypotheses have problems. After the 1918–1919 pandemic, many investigators searched for the source of the disease. The American Medical Association sponsored what is generally considered the best of several comprehensive international studies of the pandemic conducted by Dr. Edwin Jordan, editor of The Journal of Infectious Disease. He spent years reviewing evidence from all over the world; the AMA published his work in 1927.

Since several influenza pandemics in preceding centuries were already well-known and had come from the orient, Jordan first considered Asia as the source. But he found no evidence. Influenza did surface in early 1918 in China, but the outbreaks were minor, did not spread, and contemporary Chinese scientists, trained by Rockefeller Institute for Medical Research (now Rockefeller University) investigators, stated they believed these outbreaks were endemic disease unrelated to the pandemic [3]. Jordan also looked at the lethal pulmonary disease cited by some historians as influenza, but this was diagnosed by contemporary scientists as pneumonic plague. By 1918 the plague bacillus could be easily and conclusively identified in the laboratory [3]. So after tracing all known outbreaks of respiratory disease in China, Jordan concluded that none of them "could be reasonably regarded as the true forerunner" of the pandemic [3].

Jordan also considered Oxford's theory that the "purulent bronchitis" in British Army camps in 1916 and 1917 was the source. He rejected it for several reasons. The disease had flared up, true, but had not spread rapidly or widely outside the affected bases; instead, it seemed to disappear [3]. As we now know a mutation in an existing influenza virus can account for a virulent flare-up. In the summer of 2002, for example, an influenza epidemic erupted in parts of Madagascar with an extremely high mortality and morbidity; in some towns it sickened an outright majority – in one instance sixty-seven percent – of the population. But the virus causing this epidemic was an H3N2 virus that normally caused mild disease. In fact, the epidemic affected only thirteen of 111 health districts in Madagascar before fading away [4]. Something similar may have happened in the British base.

Jordan considered other possible origins of the pandemic in early 1918 in France and India. He concluded that it was highly unlikely that the pandemic began in any of them [3].

That left the United States. Jordan looked at a series of spring outbreaks there. The evidence seemed far stronger. One could see influenza jumping from Army camp to camp, then into cities, and traveling with troops to Europe. His conclusion: the United States was the site of origin.

A later equally comprehensive, multi-volume British study of the pandemic agreed with Jordan. It too found no evidence for the influenza's origin in the Orient, it too rejected the 1916 outbreak among British troops, and it too concluded, "The disease was probably carried from the United States to Europe [5]."




Complete text: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC340389/
Yeh well - we have to go on our own journey of research if we really want to know the truth of it xxx happy hunting darling xxx
 

EatTheRich

President
History, as always, provides a perspective:


View attachment 49727

The Influenza Pandemic of 1918

The influenza pandemic of 1918-1919 killed more people than the Great War, known today as World War I (WWI), at somewhere between 20 and 40 million people. It has been cited as the most devastating epidemic in recorded world history. More people died of influenza in a single year than in four-years of the Black Death Bubonic Plague from 1347 to 1351. Known as "Spanish Flu" or "La Grippe" the influenza of 1918-1919 was a global disaster.

In the fall of 1918 the Great War in Europe was winding down and peace was on the horizon. The Americans had joined in the fight, bringing the Allies closer to victory against the Germans. Deep within the trenches these men lived through some of the most brutal conditions of life, which it seemed could not be any worse. Then, in pockets across the globe, something erupted that seemed as benign as the common cold. The influenza of that season, however, was far more than a cold. In the two years that this scourge ravaged the earth, a fifth of the world's population was infected. The flu was most deadly for people ages 20 to 40. This pattern of morbidity was unusual for influenza which is usually a killer of the elderly and young children. It infected 28% of all Americans (Tice). An estimated 675,000 Americans died of influenza during the pandemic, ten times as many as in the world war. Of the U.S. soldiers who died in Europe, half of them fell to the influenza virus and not to the enemy (Deseret News). An estimated 43,000 servicemen mobilized for WWI died of influenza (Crosby). 1918 would go down as unforgettable year of suffering and death and yet of peace. As noted in the Journal of the American Medical Association final edition of 1918:

"The 1918 has gone: a year momentous as the termination of the most cruel war in the annals of the human race; a year which marked, the end at least for a time, of man's destruction of man; unfortunately a year in which developed a most fatal infectious disease causing the death of hundreds of thousands of human beings. Medical science for four and one-half years devoted itself to putting men on the firing line and keeping them there. Now it must turn with its whole might to combating the greatest enemy of all--infectious disease," (12/28/1918).

The effect of the influenza epidemic was so severe that the average life span in the US was depressed by 10 years. The influenza virus had a profound virulence, with a mortality rate at 2.5% compared to the previous influenza epidemics, which were less than 0.1%. The death rate for 15 to 34-year-olds of influenza and pneumonia were 20 times higher in 1918 than in previous years (Taubenberger). People were struck with illness on the street and died rapid deaths. One anectode shared of 1918 was of four women playing bridge together late into the night. Overnight, three of the women died from influenza (Hoagg). Others told stories of people on their way to work suddenly developing the flu and dying within hours (Henig). One physician writes that patients with seemingly ordinary influenza would rapidly "develop the most viscous type of pneumonia that has ever been seen" and later when cyanosis appeared in the patients, "it is simply a struggle for air until they suffocate," (Grist, 1979). Another physician recalls that the influenza patients "died struggling to clear their airways of a blood-tinged froth that sometimes gushed from their nose and mouth," (Starr, 1976). The physicians of the time were helpless against this powerful agent of influenza. In 1918 children would skip rope to the rhyme (Crawford):

I had a little bird,Its name was Enza.I opened the window,And in-flu-enza.

The influenza pandemic circled the globe. Most of humanity felt the effects of this strain of the influenza virus. It spread following the path of its human carriers, along trade routes and shipping lines. Outbreaks swept through North America, Europe, Asia, Africa, Brazil and the South Pacific (Taubenberger). In India the mortality rate was extremely high at around 50deaths from influenza per 1,000 people (Brown). The Great War, with its mass movements of men in armies and aboard ships, probably aided in its rapid diffusion and attack. The origins of the deadly flu disease were unknown but widely speculated upon. Some of the allies thought of the epidemic as a biological warfare tool of the Germans. Many thought it was a result of the trench warfare, the use of mustard gases and the generated "smoke and fumes" of the war. A national campaign began using the ready rhetoric of war to fight the new enemy of microscopic proportions. A study attempted to reason why the disease had been so devastating in certain localized regions, looking at the climate, the weather and the racial composition of cities. They found humidity to be linked with more severe epidemics as it "fosters the dissemination of the bacteria," (Committee on Atmosphere and Man, 1923). Meanwhile the new sciences of the infectious agents and immunology were racing to come up with a vaccine or therapy to stop the epidemics.




More: https://virus.stanford.edu/uda/
Weird that the study discussed dissemination of the bacteria being affected by humidity when the flu is a virus. Obviously, it doesn’t mean we’re being lied to or that the flu isn’t caused by an influenza virus. It’s just weird.
 
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