Cortez, Colorado. Churches. Church of the first born Colorado Department of Health experts conduct full scale investigation on exposures to diptheria in Cortez. Post N 4, 1974 p.25 150 Cortez, Colorado school children kept from school by Public Health officials when parents religious beliefs forbid immunization. RMN N 5, 1974 p.8 Feature on Church of the First Born and members whose children contracted diphtheria and court ordered them to be hospitalized. RMN Trend Mr 16, 1975 p.4 0