| Abstract |
Cholera has been endemic in eastern India and in east Pakistan since the beginning of recorded history. The fact that this disease is caused by an organism, vibrio cholera, was first reported in 1884. The true vibrio cholera is not haemolytic. But sequently haemolytic V. cholera were isolated from dead bodies of pilgrims. The marked epidemiological difference between haemolytic biotypes, EI Tor and classical cholera are that the infection-to-case ratio is higher with EI Tor cholera and EI Tor vibrio is generally surviving longer in the environment making it more easily detectable. |
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