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September 28, 1751. Time has left the early pages of his diary so damaged that the exact date remains uncertain. But it was probably on this day that nineteen-year-old George Washington set sail from Virginia to the island of Barbados with his older half brother, Lawrence. If their departure date is unclear, the brothers' purpose is not: The trip was intended to ease Lawrence's persistent cough and congested lungs, symptoms of the consumption that was to kill him within a year. In the eighteenth and nineteenth centuries, travel abroad was a favored treatment for consumption, the contagious disease that today we call tuberculosis. Early Americans understood consumption to be an ailment of heredity and climate, alleviated by salt air, mountain breezes, or whatever atmospheric conditions best suited a particular patient's constitution. It was the Washingtons' hope that Barbados would suit Lawrence.
The trip was difficult. Hurricanes regularly strafe the Caribbean in the early fall, and 1751 was no exception. The brothers and their shipmates endured a week of stiff gales, rain squalls, and high seas in late October, the effects of a nearby storm. They disembarked at Bridgetown, Barbados, on November 2, 1751. Although the purpose of the journey was to ease Lawrence's consumption, it was soon George who lay seriously ill--not from tuberculosis, but from smallpox.
On November 3, the day after landing, the two brothers begrudgingly accepted an invitation to dine at the home of Gedney Clarke, a prominent merchant, planter, and slave trader with family ties to the Washingtons. "We went,--myself with some reluctance, as the smallpox was in his family," George wrote in his diary. His misgivings were justified. For a fortnight afterward, the two Americans plied the Barbadian social circuit, unaware of the virus silently multiplying in George's body. Then, on November 17, when the incubation period had passed, the infection hit hard. "Was strongly attacked with the small Pox," Washington wrote. Thereafter, his journal entries stop. Not until December 12, when he was well enough to go out once again, did George Washington return to his diary.
The brothers' stay in Barbados was brief. "This climate has not afforded the relief I expected from it," wrote Lawrence. On December 22, the brothers parted ways, George returning to Virginia and Lawrence opting for the more promising climate of Bermuda. Lawrence's health was failing fast. He spent the spring in Bermuda and then hurried desperately to his home at Mount Vernon, Virginia, where tuberculosis took his life on July 26, 1752.
On Sunday, July 2, 1775, a much-older George Washington stepped out of a carriage in Cambridge, Massachusetts, to take command of the Continental army, newly established by the Congress still meeting in Philadelphia. Already, an American siege of nearby Boston was under way. The standoff was the outcome of the battles of Lexington and Concord in April 1775, when an angry throng of New England militiamen had routed a column of British troops attempting to seize a stash of munitions at Concord. Exhausted and humiliated, the king's soldiers had staggered sixteen miles back to Boston under relentless American sniper fire. Here they were trapped. The armed patriots were to besiege them in the city for the next eleven months.
By the time Washington arrived to command the American army in July, the confrontation had taken on an added dimension: It was not just military but medical as well. Smallpox was spreading through Boston. Washington knew how debilitating the disease could be, and he knew that the New Englanders who formed the core of his Boston-based army were among those most likely to be vulnerable. It was a vulnerability they shared with a great many others in late-eighteenth-century North America.
When smallpox struck George Washington in Barbados in 1751, his diary entries stopped for twenty-four days. If this was not inevitable, it was nevertheless predictable. Rare was the diarist who kept writing through the throes of the smallpox. The void in Washington's diary is thus telling; its very silence speaks of a misery commonplace in years gone by but unfamiliar to the world today.
Although the route of infection is impossible to determine, it is most likely that Washington picked up Variola through direct contact with a sick member of the Gedney Clarke household. The contagious party may have been Mrs. Clarke herself, who was "much indisposed" at the time of the brothers' visit. If Washington had a face-to-face meeting with her, he might have inhaled tiny infectious droplets or his hands might have carried the contagion to his mouth or nose. Such an encounter is the most likely mode of infection, but it is by no means the only one possible. Even scabs and dried-out body secretions can transmit smallpox. If someone had recently swept the floors or changed the bed-clothes in a sickroom in the Clarke home, desiccated but dangerous particles may have circulated aloft. Finally, one last form of transmission bears mentioning. Variola can survive for weeks outside the human body. Carefully stored, it retains its virulence for years. Thus it is conceivable that George Washington caught smallpox from an inanimate object (often cloth or clothing) contaminated with the virus.
How do we know that Washington caught smallpox in the Clarke household? The acknowledged presence of the disease there is one clue. Timing is another. The incubation period for smallpox usually ranges from ten to fourteen days. A twelve-day incubation is most common, with the first symptoms appearing thirteen days after exposure. George Washington's case was thus fairly typical. He dined at the Clarke home on November 3, and according to his diary, his first symptoms appeared fourteen days later.
We have no firsthand description of Washington's bout with the pox. But to judge by the experience of other victims, his early symptoms would have resembled a very nasty case of the flu. Headache, backache, fever, vomiting, and general malaise all are among the initial signs of infection. The headache can be splitting; the backache, excruciating. Lakota (Sioux) Indian representations of smallpox often use a spiral symbol to illustrate intense pain in the midsection. Anxiety is another symptom. Fretful, overwrought patients often die within days, never even developing the distinctive rash identified with the disease. Twentieth-century studies indicate that such hard-to-diagnose cases are rare. But eye-witness accounts suggest that in historical epidemics, this deadly form of smallpox may have been more common among Native Americans, who frequently died before the telltale skin eruptions appeared.
To judge by the outcome of his illness, George Washington's "pre-eruptive" symptoms were not nearly so grave. The fever usually abates after the first day or two, and many patients rally briefly. Some may be fooled into thinking they have indeed had a mere bout of the flu. But the respite is deceptive, for relief is fleeting. By the fourth day of symptoms, the fever creeps upward again, and the first smallpox sores appear in the mouth, throat, and nasal passages. At this point, the patient is contagious. Susceptible individuals risk their lives if they come near.
The rash now moves quickly. Over a twenty-four-hour period, it extends itself from the mucous membranes to the surface of the skin. On some, it turns inward, hemorrhaging subcutaneously. These victims die early, bleeding from the gums, eyes, nose, and other orifices. In most cases, however, the rash turns outward, covering the victim in raised pustules that concentrate in precisely the places where they will cause the most physical pain and psychological anguish: The soles of the feet, the palms of the hands, the face, forearms, neck, and back are focal points of the eruption. Elsewhere, the distribution is lighter.
If the pustules remain discrete--if they do not run together--the prognosis is good. But if they converge upon one another in a single oozing mass, it is not. This is called confluent smallpox, and patients who develop it stand at least a 60 percent chance of dying. For some, as the rash progresses in the mouth and throat, drinking becomes difficult, and dehydration follows. Often, an odor peculiar to smallpox develops. "The small-pox pustules begin to crack run and smell," wrote a Boston physician in 1722. A missionary in Brazil described a "pox so loathsome and evil-smelling that none could stand the great stench" of its victims. Patients at this stage of the disease can be hard to recognize. If damage to the eyes occurs, it begins now. Secondary bacterial infections can also set in, with consequences fully as severe as those of the smallpox.
Scabs start to form after two weeks of suffering, but this does little to end the patient's ordeal. In confluent or semiconfluent cases of the disease, scabbing can encrust most of the body, making any movement excruciating. The Puritan leader William Bradford described this condition among the Narragansett Indians in 1634: "They lye on their hard matts, the poxe breaking and mattering, and runing one into another, their skin cleaving (by reason therof) to the matts they lye on; when they turne them, a whole side will flea of[f] at once." An earlier report from Brazil told of "pox that were so rotten and poisonous that the flesh fell off" the victims "in pieces full of evil-smelling beasties."
Death, when it occurs, usually comes after ten to sixteen days of suffering. Thereafter, the risk drops significantly as fever subsides and unsightly scars replace scabs and pustules. After four weeks of illness, only the lesions encapsulated in the palms of the hands and soles of the feet remain intact. Unlucky sufferers whose feet have hardened from years of walking barefoot sometimes shed the entire sole of the foot at this time, delaying recovery considerably. But in most cases, the usual course of the disease--from initial infection to the loss of all scabs--runs a little over a month. Patients remain contagious until the last scab falls off.
Although the timing and progress of George Washington's bout with smallpox appear typical, his infection may have been milder than most. According to one of his biographers, he escaped the disease with "only several very light scars on his nose." Most survivors bear more numerous scars, and some are blinded. But despite the consequences, those who live through the illness can count themselves fortunate. Immune for life, they need never fear smallpox again.
The case fatality rate of a disease is an indication of the number of deaths that occur among those who contract it. For the historical study of smallpox, these figures can be elusive, deceptive, and downright confusing. The reasons are various. For one thing, most twentieth-century surveys included both vaccinated and unvaccinated individuals. Because vaccinated persons tend to have mild forms of the disease if they catch it at all, studies that include them provide no usable comparison to mortality in the days before Edward Jenner's earth-shattering development of 1796. To confuse matters further, a new, much less virulent smallpox virus named Variola minor appeared in the 1890s, quickly supplanting Variola major in many parts of the world. This milder bug was not present in George Washington's day, and its emergence makes many twentieth-century studies unsuitable for assessing death rates in earlier times.
Given these problems with relatively modern data, one might expect appraisals of epidemics in centuries past to be more helpful in assessing the historical impact of the disease. Unfortunately, this is not the case. In outbreaks of smallpox before the emergence of Variola minor and before the development of vaccination, case fatality rates appear to have fluctuated wildly. The differences could be due to the particular vulnerabilities of a given population, the changing virulence of the virus, the availability of nursing care, or even the widespread presence of immune systems compromised by such factors as famine.
Despite these disclaimers and caveats, one historical trend is clearly identifiable in the documentary record. In general, Variola appears to have become more virulent in the three centuries leading up to 1800. In Florence, Italy, between 1424 and 1458, officials recorded only eighty-four smallpox deaths despite three epidemics of the disease in the same years. In mid-seventeenth-century London, the case fatality rate from Variola hovered around 7 percent. A famous outbreak in Boston, Massachusetts, in 1721 yielded a much higher rate of 15 percent. By 1792, in another outbreak in the same city, the rate reached 30 percent. A Scottish smallpox epidemic in 1787 also took the lives of a third of its victims. Just a few years later, a "virgin soil" epidemic--an outbreak in a population with no prior exposure to the disease--struck an isolated village on the Japanese island of Hachijo-Jima. Of the 86 percent of villagers infected, some 38 percent died. Finally, in what may be the only modern study with relevance for epidemics in the pre-Jenner era, an analysis of seven thousand unvaccinated smallpox cases in Madras, India, during the 1960s revealed a frightening case fatality rate of 43 percent.
Another story lies beneath these broad, population-based figures. When attacked by Variola , certain individuals consistently fare worse than others. Here two recent studies are valuable. They show that the very old and the very young die in disproportionate numbers when smallpox erupts. The highest case fatality rates appear among those under the age of one and over the age of forty-five or fifty. The lowest rates occur in the five- to fourteen-year-old age group. The difference is dramatic: In one study, Variola took the lives of 29 percent of its victims under one year old and 32 percent of its victims over forty-five, but among five- to fourteen-year-olds, the case fatality rate was only 8 percent. Although both these studies included vaccinated individuals, there is no reason to think that similar age-related patterns (with higher case fatality rates) would not be detected in a wholly unvaccinated population.
Pregnant women, like infants and the elderly, fare badly under Variola's assault. Here again, modern studies include both vaccinated and unvaccinated individuals. They nevertheless show that the impact of smallpox on pregnancy is dire. Of early-term pregnancies, almost 75 percent end in spontaneous abortions or stillbirths. Of late-term pregnancies, nearly 60 percent terminate in the same way. While some babies are born alive, 55 percent of them die within two weeks, usually within three days of birth. The maternal prognosis is similarly grim. In the prevaccination era, it is likely that half of all pregnant women infected with Variola developed what is called hemorrhagic smallpox, the most deadly form of the disease known, with a case fatality rate exceeding 96 percent.
Finally, smallpox sufferers in the throes of famine not surprisingly do worse. Blindness in particular seems more common among malnourished victims, but other complications may occur more frequently as well. Ironically, because scarcity causes people to circulate broadly in their search for food, it may help spread contagious pathogens such as Variola . A recent study of America's northern plains Indians indicates that historically, epidemic smallpox often appeared after times of starvation.
Age, pregnancy, and nutritional status all influence the impact of Variola on particular individuals. Are these the only variables? Probably not. Entire populations of people seem to die in disproportionate numbers when smallpox strikes. Nowhere has this been more apparent, or more catastrophic, than among Native Americans. For the indigenous residents of the New World, Christopher Columbus's famous voyage of 1492 brought an abrupt end to thousands of years of isolation from the infectious diseases of Europe, Africa, and Asia. No one--not a single individual--had acquired immunity to Variola or any other Old World pathogen. Everyone was susceptible.
With its first New World landfall, Variola gained access to millions of potential victims with no acquired immunity. It was as though a spark had landed in a forest laden with thousands of years of dried timber. The results were explosive; the consequences, unspeakable. In horrific virgin soil smallpox epidemics, the rate of infection could be higher than 80 percent, and the death tolls ghastly. Eyewitness estimates of mortality in early New World smallpox outbreaks routinely approached and often exceeded 50 percent. "In some provinces half the people died, and in others a little less," wrote a Franciscan friar of an epidemic in Mexico in 1520. William Bradford reported that when Variola struck the Indians of the Connecticut River valley in the winter of 1633-34, it caused "such a mortalitie that of a 1000" who contracted the disease, "above 900, and a halfe of them dyed, and many of them did rott above ground for want of buriall." Such numbers point to case fatality rates that far surpassed those found in Old World populations.
Why was case fatality so high among Native Americans? It is possible that in fact it was not. The temptation to overstatement may have proved irresistible for eyewitnesses trying to convey the horror of the nearly universal sickness in virgin soil smallpox epidemics. Yet the consistency of the reports is striking. A fur trader, Samuel Hearne, estimated that the epidemic of 1781 "carried off nine-tenths" of the Chipewyan Indians northwest of Hudson Bay. A North West Company servant charged the same wave of pestilence with "sweeping off three fourths" of the natives on the Canadian plains. In a minor outbreak at Sandusky, Ohio, in 1787, four out of six Indians who caught the smallpox died. Similarly, of a party of forty Indians who visited the Missouri River post of Fort Union during the plains epidemic of 1837, "more than one-half" reportedly died.
These reports are merely representative examples. Though exaggeration no doubt existed, the sheer number of such accounts suggests that the pox was indeed more deadly among Native Americans than among Old World peoples. Some observers even said so directly. "Although many Spaniards die also, smallpox kills incomparably more Indians," wrote a missionary in northern Mexico's Sonoran Desert. A similar report came from Louisiana: "Two distempers, that are not very fatal in other parts of the world, make dreadful ravages among them," wrote a Frenchman of the local natives; "I mean the small-pox and a cold, which baffle all the art of their physicians."
Definitive explanations for Variola's peculiar virulence among Native Americans remain elusive, but historical evidence and modern science both yield clues. As entire Indian communities succumbed to Variola in the early epidemics, mortality stemmed not just from the pestilence itself but also from famine and thirst as the raging contagion left no one well enough to care for the ill. Fear justifiably compounded the problem. "They are frightened of going nigh one to another as soon as they take bad," wrote a Hudson's Bay Company trader in 1781. "So the one half for want of indulgencies is starved before they can gather Strength to help themselves." In faraway Baja California, a Dominican friar echoed these words, attributing the high case fatality rate there to factors that included "lack of proper care among the heathen" and a subsequent "lack of food." Victims of later outbreaks reaped a significant benefit from Variola's earlier ravages, for survivors with acquired immunity could tend to their needs as they battled the disease. "Good nursing care," in the words of one distinguished smallpox scholar, "is of far more importance than any other form of treatment." This was always true of the disease.
Native American healing customs may also have exacerbated the effects of Variola . "Their injudicious treatment of that infectious malady, generally renders it fatal," wrote an observer in 1784. Perhaps the most universal practice was the sweat bath. "For a relief, in nearly all of their diseases, they resort to their grand remedy, sweating," wrote an observer of the tribes of the northern plains. The English traveler Nicholas Cresswell saw a sweat lodge in use among the Delawares in 1775. The sick Indian, he observed, entered the lodge "wrapped in his Blanket," after which "his friends put in large stones red hot and a pail of water, then make up the door as close as possible." The patient then doused the stones with water, filling the chamber with steam. "He continues in this little hell as long as he is able to bear it," Cresswell explained.
If the heat of the sweat bath worsened the effect of smallpox's fever, what followed could have even more serious consequences: "Whilst reeking with sweat, and dissolving in streams of warm moisture, they rush out into the open air, quite naked, and suddenly plunge into the deepest and coldest stream of running water that can be found, immersing their whole body in the chilling flood." A Salish Indian woman named Mourning Dove described the results of this practice as she recounted her grandmother's story of the first smallpox outbreaks in the American Northwest. "Some tried to use the sweat lodge, but when they jumped into cold water after sweating, they got worse and died faster," she explained. If the victim was too weak to swim, drowning could result. Contemporary accounts often reported drownings among Indians who sought relief from the heat of the pox in the cooling waters of lakes and streams. "The unfortunate Indians, when in the height of the fever, would plunge into a river, which generally caused instant death," remarked one for trader.
Excerpted from POX AMERICANA by Elizabeth A. Fenn. Copyright © 2001 by Elizabeth A. Fenn. Excerpted by permission. All rights reserved. No part of this excerpt may be reproduced or reprinted without permission in writing from the publisher.