Surveillance to Track Progress Toward Polio Eradication - Worldwide, 2017-2018.

Authors:
Jaymin C Patel
Jaymin C Patel
Gillings School of Global Public Health
Ousmane M Diop
Ousmane M Diop
World Health Organization
Tracie Gardner
Tracie Gardner
Baylor College of Medicine
United States
Smita Chavan
Smita Chavan
University of Pune
Pune | India
Jaume Jorba
Jaume Jorba
University of Ibadan
Nigeria
Jamal Ahmed
Jamal Ahmed
Military Hospital Rawalpindi
Pakistan
Cynthia J Snider
Cynthia J Snider
University of Massachusetts Medical School
United States

MMWR Morb Mortal Wkly Rep 2019 Apr 5;68(13):312-318. Epub 2019 Apr 5.

When the Global Polio Eradication Initiative (GPEI) began in 1988, cases of poliomyelitis were reported from 125 countries. Since then, only Afghanistan, Nigeria, and Pakistan have experienced uninterrupted transmission of wild poliovirus (WPV). The primary means of detecting poliovirus is through surveillance for acute flaccid paralysis (AFP) among children aged <15 years with testing of stool specimens for WPV and vaccine-derived polioviruses (VDPVs) in World Health Organization (WHO)-accredited laboratories of the Global Polio Laboratory Network (GPLN) (1,2). AFP surveillance is supplemented by environmental surveillance for polioviruses in sewage at selected locations. Analysis of genomic sequences of isolated polioviruses enables assessment of transmission by time and place, potential gaps in surveillance, and emergence of VDPVs (3). This report presents 2017-2018 poliovirus surveillance data, focusing on 31 countries* identified as high-priority countries because of a "high risk of poliovirus transmission and limited capacity to adequately address those risks" (4). Some of these countries are located within WHO regions with endemic polio, and others are in regions that are polio-free. In 2018, 26 (84%) of the 31 countries met AFP surveillance indicators nationally; however, subnational variation in surveillance performance was substantial. Surveillance systems need continued strengthening through monitoring, supervision, and improvements in specimen collection and transport to provide sufficient evidence for interruption of poliovirus circulation.

Download full-text PDF

Source
http://dx.doi.org/10.15585/mmwr.mm6813a4DOI Listing
April 2019
5 Reads

Publication Analysis

Top Keywords

polio eradication
8
pakistan experienced
4
experienced uninterrupted
4
uninterrupted transmission
4
transmission wild
4
nigeria pakistan
4
afghanistan nigeria
4
cases poliomyelitis
4
poliomyelitis reported
4
reported 125
4
125 countries
4
wild poliovirus
4
wpv primary
4
flaccid paralysis
4
paralysis afp
4
afp children
4
children aged
4
acute flaccid
4
surveillance acute
4
1988 cases
4

Similar Publications