 BURLINGTON, Mass.--BUSINESS WIRE--Everbridge, Inc. NASDAQ: EVBG, the global leader in critical event management CEM, today announced that the Muscogee Creek Nation Health System of Oklahoma selected the companys Vaccine Distribution solution to more efficiently coordinate and administer the COVID-19 vaccine to its tribal members. The Muscogee Creek Nation, the fourth largest Native American tribe in the country, chose Everbridge to automate the registration, scheduling, administratio 