Wednesday, October 11, 2017
In collaboration with the Pakistan polio program we used a hierarchical Bayesian framework to develop a spatial Poisson hurdle model to jointly model the probability of one or more paralytic polio cas
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Wednesday, October 4, 2017
We evaluate the risk that using the oral polio vaccine (OPV, a live, attenuated vaccine) in a highly susceptible population after OPV cessation will result in transmission and survival of the attenuat
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Friday, September 8, 2017

We evaluated the global cessation of the type 2 oral polio vaccine by modeling pre- and post-cessation detection rates in order to identify anomalous detections that may indicate prolonged circulat

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Friday, July 7, 2017
The global polio routine immunization policy shift from tOPV to bOPV+IPV has already increased the potential for type 2 poliovirus transmission, but community transmission can be limited by high immun
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Thursday, September 29, 2016

A spatial metapopulation model of wild poliovirus Type 1 transmission in Kano State, Nigeria is developed, calibrated to historical data, and projected into the future.

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Wednesday, March 30, 2016
The introduction of a new method of assessing vaccination campaign effectiveness, and estimating immunity at the district-level in Northern Nigeria​.
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Sunday, November 1, 2015
LQAS was introduced in 2009 as a tool to monitor SIA quality.
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Wednesday, October 14, 2015
Outbreaks of cVDPV can occur due to the genetic instability of the OPV vaccine strains in populations that have low levels of immunity to poliovirus.
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Friday, August 28, 2015
Nigeria may be the next country to achieve wild-type polio elimination. The most recent case of wild-type 1 (WPV1) in Nigeria occurred in July 2014.
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Sunday, March 1, 2015
Widespread genetic sequencing of pathogens is changing the practice of epidemiology.
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