1837 Great Plains smallpox epidemic
The 1837 Great Plains smallpox epidemic spanned 1836 through 1840, but reached its height after the spring of 1837 when an American Fur Company steamboat, the S.S. St. Peter, carried infected people and supplies into the Missouri Valley. More than 17,000 Indigenous people died along the Missouri River alone, with some bands becoming nearly extinct. Having witnessed the effects of the epidemic on the Mandan tribe, fur trader Francis Chardon wrote, "the small-pox had never been known in the civilized world, as it had been among the poor Mandans and other Indians. Only twenty-seven Mandans were left to tell the tale." The Commissioner of Indian Affairs in 1839 reported on the casualties: "No attempt has been made to count the victims, nor is it possible to reckon them in any of these tribes with accuracy; it is believed that if [the number 17,200 for the upper Missouri River Indians] was doubled, the aggregate would not be too large for those who have fallen east of the Rocky Mountains."
|Origin||steamboat on the Missouri River|
Smallpox has afflicted Native Americans since it was carried to the western hemisphere by the Spanish conquerors, with credible accounts of epidemics dating back to at least 1515. Smallpox was particularly deadly in the plains because no one in these communities had been exposed, and developed immunity before. This is why mortality rates were so high. By the 1730s smallpox had made its way west in Canada and northern United States. The Assiniboine First Nation had controlled much of this territory, but were forced to give it up as their population decreased dramatically. Along the Missouri River the Arikara population was reduced by half by the end of the 1730s. Other communities that were decimated in the 1730s by smallpox include the Lower Loup, Pawnee of Nebraska, Cherokee, and the Kansa. In short, smallpox in the 1730s created major population changes Indigenous communities living on the North American plains.
It was found in 1796 that infecting a person with the mild cowpox infection would provide immunity to smallpox. As its use became widespread in Europe its deployment in North America was also praised by Thomas Jefferson as a means for preserving lives. Unfortunately, supply lines for the vaccine were faulty and it was not until the 1830s that a large portion of the Indigenous population was vaccinated, and even here it was limited to beyond the Southwest. Early vaccination efforts by the Hudson's Bay Company were sporadic and unorganized during its monopoly period. Although the HBC recognized the potential of vaccination, understanding that more people ment more fur for them, there was no systematic vaccination program in place until the epidemic was well underway. Some vaccines were sent to trading posts early in the 19th Century but were left to collect dust.
The smallpox infection spiked in 1780s, as persisted up to the 1837 epidemic. In what is now Canada, fur trade strengthened communities such as the Mushego Cree, Anishinabe, and Ottawa. The Mandan tribe had previously experienced a major smallpox epidemic in 1780-81 which severely reduced their numbers down to less than a few thousand. Many other bands along the Missouri river suffered smallpox epidemics during 1801-02 and 1831. Sporadic efforts were made to promote vaccination among the Indigenous peoples since the turn of the nineteenth century. Later, the Indian Removal Act the U.S. Congress took its first step in 1832 to generate public support for vaccination of the Native Americans. But shortly after passage of this congressional act to extend vaccinations to Indians, Secretary Cass stated that no effort would be made "under any circumstances" to send surgeons to vaccinate Indians up the Missouri River beyond the Arickaree tribe. This Great Plains epidemic spanned thousands of miles, reaching California, the northwestern coast and central Alaska before finally subsiding in 1840.
The smallpox epidemic is estimated to have killed 17,000 people along the Missouri River. The St. Peter steamboat, traveled up the Missouri River to Fort Union from St. Louis and infected people along the way, marking the beginning of the outbreak. The St. Peter made it to Leavenworth around April 29. At this time a deckhand showed signs of smallpox. Shortly after three Arikara women joined the ship on their trip back to the Mandan community. Although the women showed signs the infection, they were allowed to return to their village which they then spread to their community. The disease spread to the Mandan people, and was of the most virulent, malignant hemorrhagic form. In July 1837, the Mandan numbered about 2,000; by October that number had dwindled to 23 or 27 survivors by some accounts, 138 by another account, reflecting a 90 percent mortality rate. On August 11, Francis Chardon, a trader at Fort Clark, wrote, "I Keep no a/c of the dead, as they die so fast it is impossible," and by the end of the month, "the Mandan are all cut off except twenty-three young and old men."
Once the disease reached Fort Union, there was an effort to prevent its spread, but it would eventually decimate the Assiniboine. Daschuk, Dollar, and Ray all find that there was an effort to keep returning fur traders from entering the fort, but as Dollar finds, returning traders began to get quite aggressive until they were shown an infected boy, as they left they took the disease with them. Halsey wrote, "I sent our interpreter to meet them on every occasion, who represented our situation to them and requested them to return immediately from whence they came however all our endeavors proved fruitless, I could not prevent them from camping round the Fort-they have caught the disease, notwithstanding I have never allowed an Indian to enter the Fort, or any communication between them & the Sick; but I presume the air was infected with it for a half mile..."
Later, a longboat was sent to Fort McKenzie via the Marias River. At Fort McKenzie the disease spread among the Blackfoot people housed there. The epidemic continued to spread into the Great Plains, killing many thousands between 1837 and 1840. In the end, it is estimated that two-thirds of the Blackfoot population died, along with half of the Assiniboines and Arikaras, a third of the Crows, and a quarter of the Pawnees. A trader at Fort Union reported "such a stench in the fort that it could be smelt at a distance of 300 yards", as the bodies were buried in large pits, or tossed into the river, which would have likely contributed to continued infection as body remained infectious after death.
The were three major vaccination attempts to stop the spread of smallpox at the onset of the epidemic. The first by the American Fur Company was largely unsuccessful. Many traders tried to obtain vaccines but the AFC was unwilling to heed their requests. The second was by the American government. Here efforts were made under the Indian Vaccination Act of 1832. Some areas did receive vaccines for smallpox, typically ones that were in contact with Americans, usually in the southern United States. Still the Office of Indian Affairs did not have the network or information needed to vaccinate the plains people quickly, nor did they try establish the needed network. While the damage of the epidemic could have been reduced if preemptive measures had been taken, the HBC still had the best response of the three actors. Rumours of the disease spreading prompted traders to act quickly as a reduction in the indigenous population meant a reduction in profit from the furs they brought in. A good information network, a supply of vaccines at posts, and a willingness among all for vaccination resulted in efforts being much more successful than those by their American counterparts. Vaccination performed by HBC workers and trained Indigenous people were critical to limiting the spread of smallpox in Canada. After the epidemic the HBC implemented a territory wide vaccination program which further reduced smallpox deaths. Unfortunately, as people entered communities with the intention of vaccinating against smallpox, they brought with them additional diseases that worked to keep mortality rates high.
The epidemic would alter power structures of impacted nations. As the Assinboine and Niitsitapi did not get the opportunity for vaccination and as a result both their populations and territory shrunk considerably. The disease was particularly deadly among these people because of the denser populations. After being hit by the epidemic these groups were never able to recover. Ethnic backgrounds also merged as survivors from different communities joined together. As some communities such as the Saulteaux were able to take advantage of vaccination efforts by the HBC they also took advantage of struggling Indigenous groups. The HBC vaccination efforts were focused on populations that produced furs. As result, the Plains Cree and Saulteaux pushed out its borders as others retreated during the epidemic.
Responsibility and intentional spread of smallpoxEdit
Scholars typically attribute the spread of smallpox in spring of 1837 to the failure to quarantine the St. Peter. More recent scholarship from Dashuk, whose work on Indigenous relations in western Canada is not afraid to criticize settler people and corporations, argues that the spread of smallpox between 1836 and 1840 was unintentional. The start has been linked back to the St. Peter on the Missouri River. In addition, while the AFC responded to the outbreak poorly, encouraging it did not make financial sense. The company profited by an influx of Indigenous people in the early 1830s as it meant more furs for them to trade. Regarding land above the 49th Parallel, as has been shown in this article, the Hudson's Bay Company's response was critical to limiting the epidemic after its outbreak. While specific responsibility for the 1836-40 smallpox epidemic remains in question, scholars have asserted that the epidemic could be tied to a failure to contain the disease once it was discovered on the St. Peter traveling up the Missouri River. Undoubtedly the unwillingness of Captain Pratt to quarantine those suspected of infection lead to thousands of deaths. However, it is impossible to know his true intentions, but it is clear that there was no intent by his company to cause an outbreak. The law calls Pratt's offense criminal negligence. Yet in light of all the deaths, the almost complete annihilation of the Mandans, and the terrible suffering the region endured, the label criminal negligence is benign, hardly befitting an action that had such horrendous consequences."
Some scholars have argued that the spread of the 1836-40 epidemic was intentional. These include Ann F. Ramenofsky in 1987 and Ward Churchill in 1992. According to Ramenofsky, "Variola Major can be transmitted through contaminated articles such as clothing or blankets. In the nineteenth century, the U. S. Army sent contaminated blankets to Native Americans, especially Plains groups, to control the Indian problem." Churchill also asserted that in 1837 at Fort Clark the United States Army deliberately infected Mandan Indians by distributing blankets that had been exposed to smallpox, but he additionally alleged that the blankets were taken from a military infirmary in St. Louis, that smallpox vaccine was withheld from the Indians, and that an army doctor had advised the infected Indians to disperse, further spreading the disease and causing over 100,000 deaths. After an investigation of Churchill's writings and sources by the University of Colorado at Boulder, their Standing Committee concluded, "We do not find academic misconduct with respect to his general claim that the U.S. Army deliberately spread smallpox to Mandan Indians at Fort Clark in 1837, using infected blankets. Early accounts of what was said by Indians involved in that situation and certain native oral traditions provide some basis for that interpretation." Churchill was criticized, however, for not properly citing his more extreme details and not mentioning "native oral sources in any of his published essays about Fort Clark." So great was the distrust of the settlers that the Mandan chief Four Bears denounced the white man, whom he had previously treated as brothers, accusing them of deliberately bringing the disease to his people. After losing his wife and children to smallpox, and acquiring the affliction himself, he gave his final speech to the Arikara and Mandan tribes imploring them to "rise all together and not leave one of them alive", before dying on July 30, 1837. Another frequently recounted story is that an Indian snuck aboard the St. Peter and stole a blanket from an infected passenger, thus starting the epidemic. The many variations of this account have also been criticized by both historians and contemporaries as fiction; a fabrication intended to assuage the guilt of white settlers. "The blanket affair was created afterward and is not to be credited", notes B. A. Mann.
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