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Welcome to our blog, offering historical insights to the 17th- and 18th-century history shared at Jamestown Settlement and the American Revolution Museum at Yorktown.

1777 Epidemic: Washington Inoculates the Continental Army

Surgeons tent at American Revolution Museum at Yorktown

A look inside the surgeon’s tent at the American Revolution Museum at Yorktown’s Continental Army encampment.

Of the many problems facing the newly formed Continental Army surrounding Boston in the summer of 1775 the most vexing was how to keeping the men healthy. In addition to finding ways to feed, clothe, arm and train these new recruits, it was essential to prevent the spread of diseases in the encampments.

Every European army during this period had to deal with the usual gamut of infectious camp illnesses such as typhus, typhoid, dysentery as well as other sickness caused by scabies and malaria. However the disease that was the most deadly and that struck fear everywhere was smallpox. This highly contagious virus had been around for centuries and seemed to occur in two forms, one much more virulent that the other. The most dangerous cases occurred when someone inhaled airborne particles from an infected person.

Anyone who had contracted smallpox and survived however, acquired a life-long immunity. The death rate among previously unexposed populations could reach as high as twenty to thirty percent. The British soldiers who were sent to America at the start of the War for Independence were primarily, older, experienced men, often veterans of European campaigns. Most of them had encountered smallpox by the time they were adults and having survived were now immune. On the other hand the vast majority of the young men now joining George Washington’s army outside Boston had seldom travelled more than a few miles from their rural villages and farms. As a result, almost none of them had acquired immunity to the dreaded pox.  Consequently smallpox was a major cause of deaths at Quebec during the Canadian campaign and by the spring of 1776 the virus was spreading like wildfire through the vulnerable new recruits now also arriving from other states. If the epidemic could not be contained Washington’s army could be devastated and even the civilian population threatened.

There was one possible remedy, but it was risky, uncertain, and possibly dangerous. Since early in the 18th century a few Britons and Europeans had experimented with a process call inoculation, which provided some immunity from the pox. Learned from medical men in the eastern Mediterranean, inoculation involved making a small incision in someone’s arm and deliberately introducing pus or other material from someone who had a “mild” case of the virus. The person was then isolated until the disease had run its course and they had recovered. As opposed to catching the pox the “natural” way – i.e. through the lungs by inhalation, the death rate from inoculation was reduced to less than two percent.

Although many colonists in British North America were aware of inoculation, it was still controversial and distrusted – it seemed counter-intuitive to deliberately infect someone with this deadly virus – and what if it escaped and spread? By the winter encampment of 1776-1777 at Morristown, New Jersey, Washington was being urged by some of his officers to take measures to prevent smallpox from decimating his fledgling army. Washington himself had survived the pox as a teenager with only a few scars on his face to show for it. In January 1777 Washington made the risky, brave, but ultimately crucial decision to inoculate all the soldiers in the American army.

Continental Army camp soldiers at the American Revolution Museum at Yorktown

Soldiers in the Continental Army encampment at the American Revolution Museum at Yorktown.

Done during the off campaign winter season, the inoculated men were kept in strict quarantine while they were recovering and to prevent spreading the virus to the civilian population. By the time the campaign season began in the spring, Washington could be assured that the pox would not rage through his army possibly killing as many as a third of his men.

Throughout the remainder of the Revolution, Washington made sure new recruits were inoculated for smallpox before they were mixed in with his seasoned veterans. By 1800, Edward Jenner, an English doctor, had discovered that exposing people to cow pox, a mild infectious disease, gave them a lifelong immunity to smallpox. From this time on, riskless “vaccination” became the common way of protecting people from dying of smallpox. By taking this bold action in early 1777, Washington displayed, once again, his unmatched leadership abilities. Knowing when to be cautious and when to be daring, Washington was truly the leader the new nation needed.

Edward Ayres, Historian
American Revolution Museum at Yorktown


A HERITAGE DENIED: Virginia Indian Resilience and the Racial Integrity Act, Part II

I know other races . . . have a hard time. But fortunately nobody ever tried to deny them their heritage. Nobody ever tried to deny they existed. — Bernard Beverly, Monacan Indian Nation In 1924, the Virginia General Assembly passed the Racial Integrity Act, which determined that anyone who had even one Black ancestor (thus “one drop” of Black blood) could not be considered white and “racia

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JUST ONE DROP: Virginia’s 1924 Racial Integrity Act, Part I

Just . . . one . . . drop. That’s all it took to define if a person was white or Black under the Racial Integrity Act, signed into law by Governor E. Lee Trinkle on March 20, 1924. This act determined that anyone who had even one Black ancestor (thus “one drop” of Black blood) could not be considered white and “racially pure” and would be extended to include Virginia Indians. The Act is an integra

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Tokens of Hard Times

Before the U.S. government implemented national stimulus payments, the city of Tenino, Washington (pop. 1,800), came up with an interesting way to help its disadvantaged residents who had been directly affected by COVID-19. After screening for financial need, successful applicants received up to $300 per month. But the city government did not provide these grants in United States currency. Instead

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Sarah Osborn Benjamin: Coming Face to Face With a Woman of the Revolution

Along the grand corridor at the American Revolution Museum at Yorktown is an exhibit “I Was There,” which features photographs of veterans of the Revolutionary era who lived long enough into the 19th century to have their images recorded for posterity. One of them is a woman named Sarah Osborn Benjamin. Sarah Osborn Benjamin is featured in an “I Was There” display at the American Revolution Museum

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‘No Law Respecting an Establishment of Religion’: National Religious Freedom

Public incidents in this past month provided reminders of the freedoms instituted in America’s founding documents such as freedom of the press, freedom to assemble or speak openly about one’s convictions. National Religious Freedom Day on January 16 commemorated another. On that day in 1786, the Virginia General Assembly adopted Thomas Jefferson’s Statute for Religious Freedom, which states, “No m

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Fairly Out and Fairly In: Ann Craft and the Nation’s First Peaceful Transition of Power

On March 3, 1797, 14-year-old Ann Craft worked the final stitches on a patriotic sampler dedicated to the triumphs of then-president George Washington. She stitched a stanza from the hymn “A Song of Praise to God from United America,” originally published in 1783 and again in 1791 to commemorate the 10th anniversary of Washington’s victory at the Siege of Yorktown: Sampler worked by Ann Craft, Uni

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