Franck Austrui, 52, remembers these events over and over again. “12 days that changed everything” his life. It was May 2021. This cook from Charentes Maritime had to go to a vacation resort to work. For the train, the vaccination pass against Covid-19 is mandatory. Without flinching, he receives his first dose of Moderna. “Ten days later, the fever rises, above 40 degrees. I think it’s the Covid, but the test is negative. The doctor stops me for a week, says it’s the flu. After several days, the fever lasts. He makes me take a blood test. Then an X-ray, because of pain in my abdomen. Nothing. I was sent to the emergency room in Royan. When they saw my condition, they panicked. My troponin level was 1000 and some (troponin, produced by the heart muscle, is released into the blood when the heart is damaged, editor’s note)”..

In the Bordeaux cardiology department where he is transferred, Franck is diagnosed with myocarditis…