Genetic sequencing hasn't found a link to similar viruses elsewhere, and no related illnesses have been reported.
At least two doses of the novel oral polio vaccine type 2 are needed to interrupt transmission
Pakistan now has 28 cases of WPV1 this year.
The CDC reports just 2 new measles cases, raising the national total this year to 264.
The number of US measles cases reported this year has risen to 262, up 11 from a week ago.
Afghanistan's polio vaccine campaign raises concerns, given that WPV1 is endemic there and cases are rising.
The GPEI also noted a new case of vaccine-derived poliovirus type 2 in the Democratic Republic of the Congo.
The measles case marks North Carolina's first since 2018.
Minnesota reported 10 more measles cases in an outbreak mainly centered in unvaccinated children in the Twin Cities.
In total 161,000 children have been inoculated since September 1, exceeding the goal of 150,000.
