1 More than 592,000 merchant locations now accept chip-enabled Visa cards, up 49 percent in October.  Visa saw the volume of chip transactions in the U.S. increase by 42 percent from September to October, from $4.8 billion to $8.9 billion.
Protozoan infections are parasitic diseases caused by organisms formerly classified in the Kingdom Protozoa.They include organisms classified in Amoebozoa, Excavata, and Chromalveolata. Examples include Entamoeba histolytica, Plasmodium (some of which cause malaria), and Giardia lamblia.Trypanosoma brucei, transmitted by the tsetse fly and the cause of African sleeping sickness, is another example.hey include organisms classified in Amoebozoa, Excavata, and Chromalveolata. Examples include Entamoeba histolytica, Plasmodium (some of which cause malaria), and Giardia lamblia. Trypanosoma brucei, transmitted by the tsetse fly and the cause of African sleeping sickness, is another example.
The most dangerous and common protozoal diseases. 1  Malaria is a deadly disease and is transmitted to humans by the female mosquito. 2  A group of diseases called amebiasis amoebic dysentery include general and amebic abscess of the lungs, spleen, liver, and skin. 3  African trypanosomiasis (sleeping sickness).