Overview

• The Maine CDC says the three patients are in the Greater Portland region and their infections are not genetically linked.
• Public-health teams, including CDC-affiliated investigators, are identifying and testing people who had close contact with the patients.
• State data show 28 tuberculosis cases recorded across Maine through the end of July.
• Officials report no evidence of a widespread outbreak despite the recent increase in reported cases.
• The World Health Organization estimates tuberculosis causes about 1.25 million deaths each year globally.