15 December 2022 - To 11 December 2022, the TGA has received 706 reports which have been assessed as likely to be myocarditis from about 44.4 million doses of Comirnaty (Pfizer) and 113 reports which have been assessed as likely to be myocarditis from about 5.4 million doses of Spikevax (Moderna).
To 11 December 2022, we have received about 4,300 reports from approximately 3.7 million doses of Comirnaty (Pfizer) and Spikevax (Moderna) in 12-17 year olds. The most commonly reported reactions are chest pain, headache, dizziness, nausea and fever.