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Before the introduction of a smallpox vaccine in 1796, around 7% of all deaths annually were caused by smallpox. Following the introduction of the vaccine, a clear decline in smallpox deaths is visible.
3 lip 2024 · The most common and deadliest strain of the disease was variola major, which had a fatality rate of approximately thirty percent in the pre-vaccination era; in contrast, the variola minor...
12 sie 2024 · Before Jenner's work made vaccination commonplace at the turn of the nineteenth century, smallpox disproportionately affected children more than adults, with the share of deaths among those...
Smallpox death rate in selected European countries 1851-1900. In nineteenth century Belgium, smallpox vaccination was available but was never made compulsory. For this reason, the number...
28 lis 2022 · The strength and longevity of smallpox vaccination campaigns globally, combined with current demographic heterogeneity, have shaped the epidemiological landscape today, revealing substantial geographical variation in orthopoxvirus susceptibility.
The estimated annual number of deaths caused by several vaccine-preventable diseases, based on statistical modeling. Estimates come with wide uncertainties, especially for countries with poor vital registration.
21 gru 2020 · This study presents the complete historical weekly record of smallpox mortality in London over more than 250 years (1664-1930), describes it using spectral analyses, and discusses it in the context of events and interventions that might have influenced infectious disease dynamics.
