All data as of 09 November 2010 Download: english ¦ français
Polio outbreak in Republic of Congo: The country has reported 201 cases of acute flaccid paralysis and 97 deaths. Four cases have been confirmed to have been caused by wild poliovirus type 1 and laboratory testing continues. Most cases are in young adults: among those cases for which age data is available (85) at this time, 66% are between the ages of 15-25 years. The Government of Congo has alerted the public to the outbreak and launched an emergency response plan, with support from key partners, including WHO, UNICEF and the US CDC. The first vaccination response starts on 12 November; at least three nationwide vaccination campaigns are expected, using monovalent oral polio vaccine and targeting the entire population. West Africa outbreak response continues, as new case is reported from Liberia: From 26 October, 10 countries across Africa took part in a synchronized immunization campaign across west and central Africa to tackle the remaining low-level transmission of last year's multi-country outbreak and raise immunity to polio as a block. This latest campaign - the third such synchronized effort in Africa this year - comes in the wake of confirmation of a type 1 wild poliovirus case (WPV1) in Liberia, the first in the region since 1 May, and a type 3 wild poliovirus case (WPV3) in Mali - the first in that country since 2001. While the Liberia case has been linked to previous transmission in the country earlier in the year, the Mali case is clearly a new importation and underscores the reality that all countries must maintain immunity to both WPV1 and 3 in order to guard against reinfection. Additional rounds for these countries are planned for November 2010. New study confirms efficacy of 'game-changing' bivalent oral polio vaccine (bOPV): A study published in October in the medical journal The Lancet confirms the increased efficacy of the new bOPV. Large-scale use of the new vaccine, coupled with operational improvements, has led to a dramatic decrease this year in both WPV1 and WPV3 cases in Nigeria and India. Of note, this study confirms the efficacy of the new vaccine not just in a clinical trial, but provides crucial evidence of field efficacy. The biggest challenge now is to ensure sufficient funding is rapidly made available to enable more children to benefit from the new vaccine. WHO Director-General launches NIDs in Pakistan's tribal area: On 28 October, WHO Director-General Dr Margaret Chan launched polio National Immunization Days in tribal areas of Pakistan, together with the Chief Minister Khyber Pakhtunkhwa, Ameer Haider Khan Hoti. The DG and RD also attended a meeting with the political agents and agency surgeons of FATA. Earlier in the week, Dr Chan, together with the Regional Director of the WHO Eastern Mediterranean office, Dr Hussein A Gezairy, held meetings with President Asif Ali Zardari, Federal Minister of Health Makhdoom Shahabuddin and Provincial Minister for Health Sindh Dr Sagheer Ahmad, where all underlined the importance of rapidly completing the job of polio eradication. Polio reported in Uganda: Uganda has reported its first case of polio since 10 May 2009, with genetic sequencing of the WPV1 case showing it is related to transmission in Turkana Valley, Kenya, in early 2009. Emergency response plans are being formulated, including three rounds of supplementary immunization activities (SIAs) in eastern Uganda and western Kenya starting in late November. The case underscores the critical need to strengthen sub-national surveillance levels, particularly across the sub-Saharan "polio importation belt". New global polio website launched: The website of the Global Polio Eradication Initiative (GPEI) has been redesigned: www.polioeradication.org features the weekly data and relevant epidemiological information with which users are familiar, matched with more materials and information for a non-technical user, in a modern and attractive design. Polio researchers sought: The Polio Research Committee (PRC) is currently soliciting research proposals on a variety of polio-related topics. In particular, the PRC is interested in innovative proposals focusing on operational research to improve key field operations. For more information, click here.
20 cases in 2010 (12 WPV1, 8 WPV3). 24 cases at this time in 2009 (15 WPV1, 9 WPV3).
No cases were reported in India in the past four weeks - an extraordinary achievement, given September/October are usually the heart of the "high season" for wild poliovirus transmission.
During the first week of November, the India Expert Advisory Group on Polio Eradication (IEAG) convened to discuss additional measures to interrupt the remaining strains of polio in the country. The group concluded that the country has never had a better opportunity to complete the job, with extremely low levels of transmission being sustained primarily by mobile population groups. The group recommended an aggressive mop-up strategy in response to any further wild poliovirus from any source.
Technical assistance continues to be deployed from polio-free areas of the country to high-risk, re-infected and endemic areas.
The surveillance review conducted in West Bengal has expressed confidence in the quality of surveillance in the state. Further refinements were nevertheless recommended.
A 2010 Study on community Knowledge, Attitudes and Practices (KAP) in the 107 highest risk blocks of UP and Bihar has just been completed. The study surveyed over 11,000 parents in high risk areas as well as the highest risk groups of migrant, nomads and slum-dwellers covered for the first time in a KAP. Data shows continued high rates of community ownership and commitment towards the goal of polio eradication and identifies strategic shifts for the 2011 communication campaign, which was endorsed by the IEAG.
111 cases in 2010 (89 WPV1, 22 WPV3). 76 cases at this time last year (52 WPV1, 23 WPV3, 1 WPV1/3).
26 WPV1 cases in 2010. 28 WPV1 cases at this time last year.
14 WPV3 cases in 2010. 33 WPV3 cases at this time last year. (Last case was 10th of May 2010)
30 WPV1 cases in 2010, 3 WPV3 cases at this time last year.
1 case in 2010. 71 WPV1 cases at this time last year.
Tajikstan: 458 WPV1 cases in 2010. Turkmenistan: 3 WPV1 cases in 2010. Russia: 14 WPV1 cases in 2010. Kazakhstan: 1 WPV1 case in 2010.
6 WPV1 cases in 2010.
32 cases in 2010 (all WPV1 except 2 WPV3 cases in Niger and 1 WPV3 case in Mali): Senegal 18, Mauritania 5, Mali 4, Niger 2, Liberia 2, Sierra Leone 1. 133 cases in 11 countries at this time last year.
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