OKLAHOMA City — By the summer months of 2021, Phil Maytubby, deputy CEO of the Health Division right here, was concerned to see the numbers of individuals having vaccinated from Covid slipping soon after an at first strong response. With doubt, concern and misinformation operating rampant nationwide — both on line and offline — he understood the company essential to rethink its messaging approach. So the Well being Section performed some thing termed an on-line “sentiment lookup,” which gauges how sure text are perceived on social media. The tool discovered that numerous people today in Oklahoma Metropolis didn’t like the phrase “vaccinate” — a word highlighted prominently in the health…