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.
Eukaryotic pathogens. Parasitism is a dominant mode of life on the planet, and parasitic metazoan and protozoan eukaryotes cause some of the most damaging and intractable diseases of both man and his domestic animals.alaria is a leading cause of mortality, killing a million children each year in sub-Saharan Africa alone, while other protozoan infections, and the parasitic worms that chronically infect a third of the world population, are important and widespread âneglected diseasesâ.