Association of day length and weather conditions with physical activity levels in older community dwelling people.

Weather is a potentially important determinant of physical activity.Little work has been done examining the relationship between weather and physical activity, and potential modifiers of any relationship in older people.We therefore examined the relationship between weather and physical activity in a cohort of older community-dwelling people.We ana

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A possible role for Phlebotomus (Anaphlebotomus) rodhaini (Parrot, 1930) in transmission of Leishmania donovani

Abstract Background Visceral leishmaniasis (VL, kala azar), caused by Leishmania donovani is a major health problem in Sudan and other East African countries.In this region the only proven vectors of L.donovani are Phlebotomus orientalis in eastern Sudan, Ethiopia and Upper Nile areas of Southern Sudan and Phlebotomus martini in Ethiopia, Kenya and

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