Measles Immunity Gap

Herd immunity threshold HIT = 1 - 1/R0 (Anderson & May 1991; Fine 1993) with measles R0 12-18; WHO GVAP 95% MCV operational target; coverage from World Bank WDI SH.IMM.MEAS (sourced from WHO/UNICEF, CC BY 4.0)

• health

Computed in real time and available over the MCP tool get_fused_signal at /mcp, and enumerated in the fusion products guide. Available with free public access, within call and response limits. Readings depend on current source availability; source licences still apply.