Epidemics
Smallpox, steamships, and two port cities
Open access · cc by · source: Europe PMC
Brabin compares Boston and Liverpool's 1901–5 smallpox epidemics, arguing steamship traffic linked peak US incidence to Liverpool while Hope and Durgin used surveillance, isolation and ring vaccination later reused in global eradication.
How this study connects
Role on claims
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Boston and Liverpool’s 1901–5 smallpox epidemics were linked by steamship traffic, with uneven inspection, quarantine and vaccination.
Evidence for the claim as stated.
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Smallpox, steamships, and two port cities
These passages occur verbatim in the stored paper text. They support the points listed below; they do not verify every statement in the explanation.
Rapid transatlantic steamers after 1860 guaranteed American–United Kingdom transmission.
With the advent of rapid transatlantic steamers after 1860 American–United Kingdom transmission was guaranteed
How long had Atlantic smallpox travel lasted?
Smallpox was regularly transmitted across the Atlantic after its arrival from tropical Africa in the fifteenth century. Many other diseases failed to make
Key findings
After 1860, rapid steamers guaranteed transatlantic smallpox passage. Incubating travellers delayed recognition. Despite 1901 contact between Liverpool Port Authority and the USPHS, maritime surveillance was not heightened. Both cities used screening, isolation, quarantine, contact tracing and ring vaccination; Boston's anti-vaccinationists were especially vehement. Liverpool's post-exposure vaccination helps explain a rapid 1903 fall.
Methodology
A comparative historical analysis of the US and UK smallpox epidemics of 1901–5, especially Boston and Liverpool, using public-health reports, port records, and accounts of Medical Officers Hope and Durgin, including anti-vaccination politics.
Limitations
This is not a modern vaccine RCT. Historical protective-effect inferences from Liverpool data are not a new serological survey of 1901 populations.
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