The Plague Malaria Malaria is a disease that is spread widely across the globe today. It infects approximately 500 million people annually, and kills 1-3 million of those. Symptoms include one's temperature dropping, sweating and some suffer from anemia, weakness and a swelling of the spleen.
In the United States, flu season occurs in the fall and winter. While influenza viruses circulate year-round, most of the time flu activity peaks between December and February, but activity can last as late as May. The overall health impact (e.g., infections, hospitalizations, and deaths) of a flu season varies from season to season.
Smallpox is one of two infectious diseases to have been eradicated, the other being rinderpest in 2011. The term "smallpox" was first used in Britain in the 15th century to distinguish the disease from syphilis, which was then known as the "great pox". Other historical names for the disease include pox, speckled monster, and red plague.