Leishmaniasis

The main route is through the bite of infected female phlebotomine sand flies. Sand flies become infected by sucking blood from an infected animal or person. People might not realize that sand flies are present because:They do not make noise when they fly;They are small: they are only about one-third the size of typical mosquitoes or even smaller;Their bites might not be noticed (the bites may be painless or painful).
Sand flies usually are most active in twilight, evening, and night-time

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