Participant confidence pre- and post-training, by learning objective, in the Council of State and Territorial Epidemiologists/Centers for Disease Control and Prevention Morbidity and Mortality Weekly Report (MMWR) Intensive Writing Training course for applied epidemiologists (n = 37), 2017-2018. The Intensive Writing Training course provided on-the-job scientific writing instruction and mentorship for selected applied epidemiologists working on a manuscript. The course was offered in 2017 and 2018. Each course included 3 webinars, expert mentorship from experienced authors, and a 2-day in-person session.