Timeline.

12 August 2022	High-risk sexual contact with a male partner.
16 August 2022	Exploration by a dermatologist due to high-risk sexual contact with a partner. Diagnosed of MPX by reactive polymerase chain reaction assay. Asymptomatic patient. No swabs or samples were taken.
26 August 2022	Odynophagia, fever, right submandibular adenopathy, cervical pain. Swollen tonsils and ulcerative lesions on the right tonsil. Anti-inflammatory drugs and amoxicillin were prescribed.
27 August 2022	Chest pain elevated cardiac markers. Diagnosis of myopericarditis. Anti-inflammatory treatment was initiated, and colchicine was.
28 August 2022	Tecovirimat started.
1 September 2022	Cardiac magnetic resonance was performed. Hospital discharge.
7 September 2022	Blood test. No blood test abnormalities.
9 September 2022	Follow-up by the Infectious Diseases Department. No side effects with tecovirimat. Almost completely recovered. Persistently swollen submandibular adenopathy.
10 September 2022	End of tecovirimat.
18 September 2022	End of quarantine.
20 September 2022	Pharyngeal samples for HPMX were taken on and were negative.
5 October 2022	The patient was fully recovered and asymptomatic.