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.
Follow Following Unfollow Pending Disabled. A Honor Society of Nursing (STTI) answered. Protozoan infections are caused by single-celled parasites called protozoa. When these parasites are introduced to the body they multiply, interfere with the body's normal functioning, and cause damage to vital organs. Protozoa usually enter the body either through an insect bite or through infected food or water.