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 Perspective

Seasonal Variation in Host Susceptibility and Cycles of Certain Infectious Diseases

Scott F. Dowell
Centers for Disease Control and Prevention, Atlanta, Georgia, USA

Figure 2. Seasonal variation in the incidence of poliomyelitis by latitude, 1956-57. As distance from the equator increases, a higher proportion of cases are evident in summer and fall months. Adapted from reference 9.

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Figure 2. Seasonal variation in the incidence of poliomyelitis by latitude, 1956-57. As distance from the equator increases, a higher proportion of cases are evident in summer and fall months. Adapted from reference 9.
 


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Emerging Infectious Diseases Journal
National Center for Infectious Diseases
Centers for Disease Control and Prevention