Dr. Lisa Iannattone Profile picture
Assistant Professor of Dermatology @McGillMed. MD/residency @med_umontreal. Fellowship @HarvardDerm. Focus: complex medical dermatology and medical education.

Mar 4, 2024, 6 tweets

Public health has changed a lot since covid. Here’s a really concrete example of that. In 2019, PH in Montreal published a really detailed list of places people were exposed to measles: bus routes, malls, walmart, etc. In 2024? The list is just healthcare, schools + the airport.

Why the sudden change in what information is made public? I highly doubt that *none* of these measles cases exposed people anywhere else. Did any of them go to a pharmacy or grocery store or coffee shop or hockey rink? And if so, why aren’t any of these locations being published?

Not publishing these locations means 1. people don’t have the opportunity to protect themselves and others post-exposure and 2. the fact that people are actively being exposed in the community (not just clinics and airports) is not being made explicit for the public.

PH’s decision not to share every single exposure location the way they would have in 2019 is absolutely baffling to me. What’s the reasoning? How does the public benefit from withholding that information from us?

Links for the 2 sites screen capped in the lead tweet:



montrealgazette.com/news/local-new…
santemontreal.qc.ca/en/public/supp…

The list has been updated with bus/metro routes! A lot of people were exposed on public transit in the last few days…

Shops, restaurants, and other businesses are still MIA though (other than that 1 baby store on the list).

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