Tetanus and other widespread endemic diseases of Brazil's early national period speak to intimate details of common life and give clues to big, vexing questions, such as why Brazil's population expanded dramatically at the turn of the twentieth century. Tetanus was for a long time one of Brazil's deadliest afflictions, especially among infants, but historians know very little about it. Using archival sources from across the Empire and early Republic, this article argues tetanus disproportionately killed the enslaved population, but gradually diminished in virulence for nearly all groups across the country by the second half of the 1800s. This decline should be attributed only partially to medical knowledge. Rather, indirect demographic and technological changes were more important factors in Brazil.
Between 1802 and 1849, cholera and influenza pandemics killed hundreds of thousands from Shanghai to Seville to New York, but these diseases did not dip below the South American portion of the equator. As a result, Brazil gained a reputation of good health, an opinion confirmed by European travelers and some provincial authorities. This rosy reputation wilted in 1849 when a yellow fever epidemic devastated several seaports, including the imperial capital of Rio de Janeiro. Following this outbreak, waves of epidemics swept the nation with unfamiliar and terrifying virulence. Brazilians were struck again and again by cholera, smallpox, yellow fever, and bubonic plague until the early 1900s.
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