'The Big Catch-up' initiative, described by the World Health O | GreenMedInfo

"The Big Catch-up" initiative, described by the World Health Organization as a "targeted global effort to boost vaccination among children following declines driven by the COVID-19 pandemic," will last 18 months. https://greenmedinfo.com/blog/big-catch-chelsea-clinton-partners-who-gates-foundation-largest-childhood-immuniz