What is Cholera?
What is Cholera?
Cholera Alife-threatening secretory diarrhea induced by enterotoxin secreted by v cholerae Water-borne illness caused by ingesting water/food contaminated by copepods infected by V cholerae An enterotoxic enteropathy(a non-invasive diarrheal disease) A major epidemic disease
➢ A life-threatening secretory diarrhea induced by enterotoxin secreted by V. cholerae ➢ Water-borne illness caused by ingesting water/food contaminated by copepods infected by V. cholerae ➢ An enterotoxic enteropathy (a non-invasive diarrheal disease) ➢ A major epidemic disease Cholera
Recent Cholera pandemics 1-6th pandemic. V cholerae ol biotype classical 1817-1923. Asia, Africa, Europe. America and australia 7th pandemic. V cholerae ol biotype el Tor Began in Asia in 1961 Spread to other continents in 1970s and 1980s Spread to peru in 1991 and then to most of south central America and to U.S. canada By 1995 in the Americas, >106 cases; 104 dead 1993: Cholera in bengal caused by o139 may be cause of &th pandemic
Recent Cholera Pandemics ➢ 1-6th pandemic: • V. cholerae O1 biotype classical • 1817-1923, Asia, Africa, Europe, America and Australia ➢ 7 th pandemic: • V. cholerae O1 biotype El Tor • Began in Asia in 1961 • Spread to other continents in 1970s and 1980s • Spread to Peru in 1991 and then to most of South & Central America and to U.S. & Canada • By 1995 in the Americas, >106 cases; 104 dead ➢ 1993: Cholera in Bengal caused by O139 may be cause of 8th pandemic
