A child infected with measles was recorded at Montreal‑Trudeau International Airport on October 11, 2026, before being admitted to Sainte‑Justine Hospital the following day.
The health authority confirmed the presence of the case at both locations and is monitoring the situation as part of its routine surveillance for the highly contagious disease.
Measles, a viral infection known for its rapid spread, prompts officials to track suspected cases closely to avoid larger outbreaks.