Situation on October 19th1 |

Cholera update - Guinea BissauCholera update - Guinea Bissau

Summary of data from May to October 19th 2008

Prepared by WHO Country Office, Guinea-Bissau

Situation on October 19th2 |

Overview of the epidemicOverview 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.

Situation on October 19th3 |

Total number of cholera cases and deaths by week – Guinea Bissau 2008Total number of cholera cases and deaths by week – Guinea Bissau 2008

0

200

400

600

800

1000

1200

1400

1600

Alta por c ura Óbitos

Situation on October 19th4 |

0,00%

0,05%

0,10%

0,15%

0,20%

0,25%

Taxa d

e A

taq

ue

0,0%

5,0%

10,0%

15,0%

20,0%

25,0%

30,0%

Taxa d

e l

eta

lid

ad

e

T. Ataque T. Letalidade

Weekly lethality and incidence of new cases – Guinea Bissau 2008Weekly lethality and incidence of new cases – Guinea Bissau 2008

1% cutt-off

Situation on October 19th5 |

Total cholera cases and deaths by region – 2008, n=11.963Total cholera cases and deaths by region – 2008, n=11.963

11 9 14 67 0 12 13 17 28 18 90

1000

2000

3000

4000

5000

6000

7000

8000

9000

Bafata Bijagos Biombo Bissau(SAB)

Bolama Cacheu Gabu Oio Quinara SãoDomingos

Tombali

Cases Deaths

Situation on October 19th6 |

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 2008Number of cholera cases / 10.000 population by region, Guinea-Bissau 2008

60 – 120 cases / 10 000 population

1 – 60 cases / 10 000 population

Situation on October 19th7 |

0,0%

2,0%

4,0%

6,0%

8,0%

10,0%

12,0%

Cholera case-fatality rate by region in Guinea-Bissau – 2008Cholera case-fatality rate by region in Guinea-Bissau – 2008

cut-off