Leishmaniasis is a parasitic disease caused by a protozoan that initially lives in the sand fly and is transmitted to people through sand fly bites. The organism develops and multiplies in the gut of the fly and is introduced into the bloodstream of humans after a bite.eishmaniasis is a parasitic disease caused by a protozoan that initially lives in the sand fly and is transmitted to people through sand fly bites. The organism develops and multiplies in the gut of the fly and is introduced into the bloodstream of humans after a bite.
Christy Walton is the richest woman not only in the Unites States, but on the planet. She has a whopping $1 billion more than LâOreal heiress Liliane Bettercourt. The Walton Family is the founder of the worldâs largest retailer; Wal-Mart. Wal-Mart has more than 8,970 stores across the world.
Bill Gates is again the richest person on earth, with a net worth of $87 billion. Some things never change: Bill Gates is still the richest person in the world. Heâs been among the wealthiest since Microsoft went public in 1986, and he only got richer as the company's software became the de facto standard on computers around the world.