Guidance
Replacing trivalent OPV (tOPV) with bivalent OPV (bOPV): Quick reference summary
We are close to the eradication of polio, with a new global endgame plan leading the way to a polio-free world. In the last two decades, immunization efforts have reduced the number of polio cases globally by more than 99%. Of the three poliovirus types (types 1, 2, and 3), type 2 wild poliovirus has been eradicated since 1999.
Authors
Languages
- English
Publication year
2015
Publisher
World Health Organization
Type
Guidance
Categories
- Programme management
Diseases
- Polio
Tags
- OPV
- Planning, budgeting and financing