22 avril 2022 – Pfizer AG informs that a new shelf life in ultra-low refrigeration (<-60 °C) has been approved in Switzerland for Comirnaty, concentrate for the preparation of a dispersion for injection. The approvement includes Comirnaty of 10 microgram/dose for injection for children from five to 12 years of age (orange cap) and also for 30 microgram/dose for injection for persons aged 12 years and more (purple cap).

For more information, see the company's two information letters here and here.