Bulletin de Veille de l`Océan Indien n°23 15 July

Bulletin de Veille de
l’Océan Indien n°23
15 July - 22 July 2010
The aim of this bulletin is to report new health events occuring in foreign countries and presenting a potential risk for Indian Ocean populations. It does not intend to
provide an exhaustive review of international alerts. The health events, collected from different official and non official sources are intended for the Indian Ocean. Despite our efforts to produce exact informations, some potential errors could occur : readers have to use these data with cautious. Neither the Indian Ocean Commission, nor
the ORS and the CIRE is liable for the use that may be made of the informations contained in this bulletin.
INDEX
• Dengue in Southeast Asia
• Cholera in Kenya and Zimbabwe
• Hand foot and mouse disease in Phuket
• Influenza in Mauritius and Madagascar
• Japanese encephalitis in India
• Dengue in Mayotte and Chikungunya in La Réunion
• Poliomlyelitis in Angola
• No reported event in Comoros and Seychelles
• Measles in Malawi and Zimbabwe
I N T E R N A T I O N A L
Dengue outbreak situation in Southeast Asia
Comments
Increase of Dengue incidence in Southeast
Asia with high levels of dengue hemorrhagic fever compared to past years.
Philippines
Dengue outbreak
- 25 283 cases and 190 deaths since january 2010
- there is a 40% increase compared to 2009
- 18 055 cases in the same period in 2009
Risk of imported cases
Malaysia
sent, to avoid local transmission.
Dengue outbreak
- 2 478 cases and 11 deaths (7 deaths in all 2009)
Advice for travelers about mosquito-
Thaïland
Dengue outbreak
- 33 113 cases and 33 deaths since january 2010
- there is a 60% increase compared to 2009
Increased vigilance in countries where
vectors (A.albopictus et A.aegypti) are pre-
borne disease risk
Measures to be taken :
- protection against mosquito bite during the
stay and 7 days after return
- consult a doctor in case of sudden onset
of fever in the week following the return trip
Sri Lanka
Dengue outbreak
- about 20 000 cases and 148 deaths
Myanmar
Dengue outbreak
- 990 cases and 6 deaths
- 3 129 cases and 37 deaths in 2009
I N T E R N A T I O N A L
Comments
Thaïland (Phuket)
Advice for travelers : healthy personal
Hand foot et mouth disease outbreak
- more than 70 cases
- recent outbreak in China : enterovirus 71 has more often been associated with hand foot and mouth disease
hygiene (regular hand washing, avoid close
contact with infected persons)
http://www.phac-aspc.gc.ca/tmp-pmv/2010/hfm-mpb07082010-eng.php
India (Manipur)
Japanese encephalitis outbreak
- of the 40 samples tested 34 are positive
- 3 deaths
- viral disease transmitted by mosquitoes (Culex)
- symptoms : high fever, headache, neck stiffness
Japanese encephalitis is an endemic disease
in Southeastern Asia. It is hyperendemic in
the north of India, with outbreaks each year.
Advice for travelers about mosquitoborne disease risk (protection against mosquito bites)
Angola
The wild poliovirus is still in Angola since
Poliomyelitis outbreak
- wild poliovirus type 1
- 15 cases since january 2010
- spreading risk into neighbouring countries
2007, where 8 cases were reported that
year, and 29 cases each in 2008 and 2009.
Advice for travelers : vaccinal recommandations
http://wwwnc.cdc.gov/travel/content/in-the-news/polio-outbreaks.aspx
Malawi, Zimbabwe
Measles outbreak
- Malawi : about 50 000 cases and 166 deaths since january 2010
- Zimbabwe : outbreak under control
Advice for travelers : All travelers should
be up to date with their vaccines on all
destinations
Kenya
Cholera outbreak
- decreasing outbreak; no new reported case this week
- total of 3 188 cases and 63 deaths since january 2010
Zimbabwe
Choléra outbreak
- decreasing outbreak
Outbreaks under control
I N D I A N
O C E A N
Comments
Mauritius
Influenza
- out of 1 490 tested samples since january 2010 : 128 positive for AH1N1, 12 positive for B, 9 positive for AH3N2 and 331 positive (waiting for
typage)
- 2 deaths
- vaccination of population since 2 weeks (monovalent vaccine)
Active circulation of pandemic influenza
Worldwide, overall pandemic influenza activity remains low. Active circulation of pan-
Madagascar
demic influenza virus persists in areas of
Influenza
- low flu syndrom number in Antananarivo : 0,9% consultations
- out of 472 tested samples since january 2010 : 170 positive
72 A(H1N1)2009, 52 A unknown type, 28 AH3N2, 7 AH1N1 et 11 B
- 2 confirmed cases A(H1N1)2009 during last two weeks : circulation of
virus A(H1N1)2009 in Moramanga district
the tropics, particularly in South and Sou-
La Réunion
theast Asia, the Caribbean and West Africa.
Risk of imported cases
Chikungunya outbreak decreasing
- last confirmed case on 5th of July
- Cumulative total of 103 confirmed cases and 33 probable cases
Increased vigilance in countries where
vectors (A.albopictus et A.aegypti) are present, to avoid indigenous tranmission.
Mayotte
Advice for travelers about mosquito-
Dengue type 3 outbreak
- total of 64 confirmed cases and 24 probable cases
- active circulation of virus
Commission de l’Océan Indien,
Unité de Veille Sanitaire
Q4, avenue Sir Guy Forget, B.P.7,
Quatre Bornes, Maurice
Tél : (230) 427 6199
Fax : (230) 425 2709
Site web : http://rsie.coi-ioc.org/
borne disease risk (protection against
mosquito bite)
This bulletin is edited thanks to a partnership between the Health Surveillance Unit of the
Indian Ocean Commission and the « Observatoire Régional de la Santé de La Réunion »,
in collaboration with the « Cellule de l’Institut de veille sanitaire en Région Océan Indien »
in La Réunion Island.
Publication director
Health Surveillance Unit of the IOC
ORS Réunion
12 rue Colbert
97460 Saint Denis, La Réunion
Tél : 0262 2.62.94.38.13.
Fax : 0262 2.62.94.38.14.
Site web : http://www.ors-reunion.org
Editor in chief
ORS Réunion
Editorial board
CIRE Océan Indien; ORS Réunion; DVSS ARS Océan Indien; DNLM of the Ministry of
Health of Comoros Union; DVSE Ministry of Health and Family Planning of Madagascar;
CDCU Ministry of Health of Mauritius; Public Health Department Ministry of Health of
CIRE Océan Indien
2 bis avenue Georges Brassens
97400 Saint Denis
Tél : 0262 2.62.93.94.24
Fax : 0262.2.62.93.94.57
http://www.ars.ocean-indien.sante.fr/LaCellule-de-l-InVS-en-Region.88881.0.html
Seychelles
The bulletin is on web :
http://rsie.coi-ioc.org/
financement