1. Situation on October 19th 1 |1 | Cholera update - Guinea Bissau Summary of data from May to October 19 th 2008 Prepared by WHO Country Office, Guinea-Bissau

2. Situation on October 19th 2 |2 | Overview of the epidemic 11,963 cumulative cases and 198 deaths in all 11 regions (case- fatality rate = 1.7% or 17 deaths per 1000 infected persons) 67% of all cases and 34% of all deaths are registered in Bissau, the capital. The highest attack rates (number of cases / population) are now in Bijagos, Biombo, Bissau, and Sao Domingos ranks respectively (2.5%, 2.4% and 2.0 – see map). Case management is worse in Quinara, Bafata and São Domingos (see slide 7) There are two consecutive weeks with cases declining. The epidemic is now increasing in the Bijagos archipelago whereas is almost finished in Tombali.

3. Situation on October 19th 3 |3 | Total number of cholera cases and deaths by week – Guinea Bissau 2008

4. Situation on October 19th 4 |4 | Weekly lethality and incidence of new cases – Guinea Bissau 2008 1% cutt-off

5. Situation on October 19th 5 |5 | Total cholera cases and deaths by region – 2008, n=11.963

6. Situation on October 19th 6 |6 | 120 – 180 cases / 10 000 population 180 – 240 cases / 10 000 population 240 + cases / 10 000 population Number of cholera cases / 10.000 population by region, Guinea-Bissau 2008 60 – 120 cases / 10 000 population 1 – 60 cases / 10 000 population

7. Situation on October 19th 7 |7 | Cholera case-fatality rate by region in Guinea-Bissau – 2008 cut-off