A Month-by-Month Map of Parasite Exposure Risk for Americans: When Your Calendar Becomes a Risk Factor
Parasite transmission in the United States is not a static risk—it rises and falls with the seasons, shifts with travel patterns, and intensifies around specific activities that Americans engage in throughout the year. From spring hiking trails to summer camps to international holiday travel, each month of the calendar carries its own exposure profile. This guide maps those risks month by month, offering practical prevention strategies and guidance on when prophylactic treatment may be worth dis