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. 2009 Apr;53(2):193–227. doi: 10.1017/s002572730000363x

Table 1.

Smallpox cases reported by continent, 1959–1961

Continent 1959 1960 1961
Africa 15,781 16,127 24,182
America 4,899 5,531 8,168
Asia 60,749 39,251 52,217
Europe 15 47 27

Source: ‘Development of the smallpox eradication programme’, WHO Chronicle, 1967, 21 (9): 389—93, on p. 389.