 A separate cVDPV1 outbreak in Myanmar caused six cases.As of 26 May, 61 WPV1 paralysis cases had been detected in 2020, eleven in Afghanistan, the remainder in Pakistan.Over the same period, there have been more than 120 cases caused by continued circulation of known cVDPV strains in sixteen countries, most resulting from cVDPV2, but those in Malaysia representing cVDPV1.