The vaccine is two doses and must be administered with an interval of 21 days. It is the fifth vaccine against Covid-19 to be authorised in Portugal.

The DGS clarifies that in Portugal this vaccine is indicated in the following situations: “contraindication to a vaccine of another brand” or for “another reason that prevents the use of a vaccine of another brand, upon presentation of a medical statement, following the procedures of Standard 002/2021 of the DGS", adding that this document must present "substantiation on the clinical and/or scientific reason for the use" of this vaccine, "issued with date and legible signature by the attending physician”, signals the entity led by Graça Freitas.