The New York TimesTwo Strains of Polio Are Gone, but the End of the Disease Is Still Far Off (Published 2019)Oct 28, 2019Donald G. McNeil, Jr.By Donald G. McNeil, Jr.more_vert
World Health Organization (WHO)Two out of three wild poliovirus strains eradicatedOct 24, 2019more_vert
Vox.comPolio outbreak 2019: The WHO just declared another polio virus eradicatedOct 24, 2019Julia BelluzBy Julia Belluzmore_vert