Polio Weekly Bulletin (28) - 16 July 2022
Polio Highlight
Detection of vaccine-derived poliovirus type 2 (VDPV2) in the United States: Implications for the Region of the Americas |
Polio Highlight
Detection of vaccine-derived poliovirus type 2 (VDPV2) in the United States: Implications for the Region of the Americas |