polio
27 articles
Concerns about Vaccine-Derived Polio
Dec 6, 2019 | Jiayan LiuThe World Health Organization (WHO) identified nine new polio cases caused by the polio vaccine in Nigeria, Congo, Central African Republic and...
First Local Polio Case in Zambia since 1995
Oct 29, 2019 | Autumn GertzCurrent Situation On October 21, 2019, the World Health Organization (WHO), United Nations Health Agency, and Zambian Health Minister Dr. Chitalu...
Update on Acute Flaccid Myelitis in the US: Cases Continue to Rise
Dec 11, 2018 | Lindsay BonesteelAccording to the US Centers for Disease Control and Prevention (CDC), there have been 158 confirmed cases of acute flaccid myelitis (AFM) in 2018,...
Update from Venezuela: First Polio Outbreak in Nearly 30 Years
Jun 14, 2018 | Emily WolfsonOne confirmed case and three suspected cases of polio have been reported in Venezuela, the first cases to emerge since polio was eradicated from...
Polio Reemerges in Nigeria
Sep 30, 2016 | Cheryl LangIn 2012, an estimated 122 of the 223 global cases of polio occurred in Nigeria, more than half of the cases worldwide (1,3). Worldwide efforts to...
Pakistan & Polio
Mar 8, 2015 | Colleen NguyenIn recent weeks, police in Pakistan have arrested hundreds of parents for refusing to vaccinate their children from polio [1]. In the northwestern...
Polio: What Happens to a Vaccine-Preventable Disease When Vaccination Is Prevented?
Jul 18, 2014 | Alexandra ThomsenPolio is a highly infectious disease that mainly affects children under age five and leads to irreversible paralysis in about one of every 200 cases...
Wild Poliovirus Type 1 Found in Brazil Sewage Samples – What Does It Mean?
Jun 24, 2014 | Alexandra ThomsenEnvironmental samples from Campinas, São Paolo have tested positive for wild poliovirus type 1 (WPV1), though the country has not reported any polio...
Outbreaks of 2013
Dec 20, 2013 | Anna Tomasulo‘Tis the season for the obligatory “best of” lists for 2013. We thought we’d take a look back at some of this year’s notable outbreaks. Our list is...
Polio Suspected in Syria
Oct 28, 2013 | Anna TomasuloUPDATE 10/29/13: The World Health Organization has reported their laboratory in Tunis isolated the wild polio virus in samples taken from 10 of 22...
Polio Proliferates in Northern Nigerian States Borno and Yobe Despite Declining National Rates
Jun 27, 2013 | Steven PurcellAt least 26 new cases of wild polio virus have been detected in northern Nigeria. This statistic comes from a joint World Health Organization (WHO)...
WHO Investigates Possible Polio Case in Somalia
May 13, 2013 | Sumiko MekaruOn Sunday, May 11, the World Health Organization reported the investigation of a possible wild poliovirus type 1 (WPV1) case in Somalia's Banadir...
Polio To Be Eradicated By 2018?
Apr 12, 2013 | Lauren EdmundsonThe new Polio Eradication and Endgame Strategic Plan, released on April 11, 2013 and developed by the Global Polio Eradication Initiative, has...
Why 223 Cases of Polio Still Matter
Apr 3, 2013 | Anna TomasuloFor many Americans, especially young adults, poliovirus not only has no relevance to their lives, they may not even be sure what it is or how it...
At Least Nine Polio Workers Killed in Nigeria
Feb 11, 2013 | David ScalesOn Friday, Feb. 8, at least nine young women working on a polio vaccination campaign were targeted and killed by gunmen in two separate incidents in...
Poliovirus Found in Cairo, Egypt
Jan 22, 2013 | Anna TomasuloAccording to the WHO Eastern Mediterranean Regional Office, wild poliovirus has been detected from two Cairo sewage samples. The strain detected is...
Polio: Outbreaks and Emergency Plans
Jun 14, 2012 | Robyn Correll CarlyleYet another case of type-1 poliovirus has surfaced in Pakistan’s Khyber Agency, the only tribal district in Asia where both type-1 and type-3...
Acute Flaccid Paralysis in Ethiopia
Jan 25, 2012 | David ScalesOn January 24, the United Nations refugee agency reported the detection of five cases of acute flaccid paralysis in Dolo Ado, Ethiopia. Three cases...
PLoS blog features HealthMap team’s article on "Failed vaccination campaigns" as global issue
Sep 12, 2011 | Anna TomasuloIn July 2011 The Guardian (UK) explored the Central Intelligence Agency’s fake vaccine campaign, which rolled out in Abbottabad, Pakistan, in an...
Paralyzing Virus Returns to China
Aug 31, 2011 | Anna TomasuloOn Friday night, four children in China’s Xinjiang province were diagnosed with polio, a virus absent from China for over a decade. The poliovirus...
Drought Brings Famine and Disease to Horn of Africa
Aug 11, 2011 | Amy L. Sonricker HansenAs the Horn of Africa – including Ethiopia, Somalia, Kenya, and Djibouti - faces its worst drought in over 50 years, thousands of Somali refugees...
Polio Threatens Nigeria After Progress
Jul 20, 2011 | Sumiko MekaruUNICEF has detected 20 new polio cases in northern Nigeria. These cases threaten to erase the substantial progress Nigeria has made in eliminating...
Type-3 Polio Detected in Pakistan
Jul 13, 2011 | healthmapLab testing confirmed a child in Pakistan’s Khyber Agency, Federally Administered Tribal Area was infected with wild poliovirus type 3 (WPV3). This...
The Polio Crisis in Pakistan
Jul 1, 2011 | healthmapYesterday, another polio case was discovered in Pakistan’s Khuzdar district, bringing this year’s total to at least 57 for the country. Although...
2010 Year-End Special Issue
Dec 29, 2010 | healthmapHere at HealthMap, we are often focused on outbreaks happening right now. As the new year approaches, we reflect on some of the outbreaks of 2010....
Confirmed Cases of Polio in Republic of Congo
Nov 9, 2010 | healthmapLast week, we reported a possible polio outbreak in Pointe-Noire, Congo where 8 deaths and 20 cases were suspected. This week, at least two confirmed...
Polio update
Nov 2, 2010 | healthmapIn the past few weeks, polio cases have been reported in several countries. Polio is an extremely contagious viral disease. Although up to 95% of...
