As they investigate users and distributors of the fake documents, police have found that medical staff is sometimes complicit in the fraud, said Interior Minister Gerald Darmanin.

“The problem with the fake health passes is that they often involve the collusion of real doctors or real nurses,” he told the France 2 broadcaster. This makes offences “very difficult to prove”.

https://www.france24.com/en/live-news/20211216-france-says-110-000-fake-health-passes-in-circulation