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.
Amoebiasis. Amoebiasis is a protozoan disease caused by Entamoeba histolytica, which secretes enzymes that dissolve the host's tissues. Amoebiasis infection is spread by contact with feces, which can occur if water or food are contaminated, or if someone has oral contact with fecal matter.