10.04.2013 Views

V. cholerae - Filippo Pacini

V. cholerae - Filippo Pacini

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Polluted water is the most common source of<br />

cholera transmission<br />

Life cycle of V. <strong>cholerae</strong><br />

Large<br />

volumes of<br />

hyperinfective<br />

V. <strong>cholerae</strong><br />

3<br />

4<br />

Poor sanitation<br />

Poor people are more vulnerable<br />

to infection with V. <strong>cholerae</strong><br />

Discharge in the environment<br />

5<br />

Epidemic<br />

spread of<br />

cholera<br />

Free-swimming<br />

V. <strong>cholerae</strong><br />

Non O1,<br />

O139<br />

Genetic<br />

exchanges<br />

O1, O139<br />

2<br />

1<br />

V. <strong>cholerae</strong> attached to<br />

aquatic life forms<br />

Contaminated<br />

food and water

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