Tracing travelers’ typhoid to get an early warning of emerging threats
Salmonella enterica serovar Typhi causes more than 20 million cases of typhoid fever each year, and disproportionately infects children in
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Fewer deaths tied to dirty air, but threats persist: report
(HealthDay)—Significant but uneven improvements in air quality have greatly reduced U.S. deaths related to air pollution over the past decade,
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