Reuters: As world seeks to eradicate polio, Laos suffers vaccine-linked case
“Laos has suffered a case of vaccine-derived polio, the World Health Organization said on Monday, in a new setback to a global plan to eradicate the crippling disease after the virus resurfaced in Ukraine and Mali…” (Miles/Kelland, 10/12).

Washington Post: 8-year-old boy dies of rare, vaccine-derived poliovirus in Laos
“…WHO officials said that genetic sequence showed that the virus was derived from an oral vaccine and that it may have been circulating in Laos’ Bolikhamxay Province for more than two years. … Before this most recent infection, Laos had been polio-free since 1993, when its last case of indigenous wild poliovirus was reported…” (Cha, 10/12).