Australia’s medicines regulator, the Therapeutic Goods Administration, has granted provisional approval for Pfizer’s comirnaty COVID-19 vaccine to be used as a booster shot for teens aged 16 and 17. The dosage for this age group will be the same as for adults and the booster dose can be administered within three to four months after receiving the primary two doses, regardless of the branding of the first two doses. This decision follows TGA’s provisional approval to Pfizer for the use of its comirnaty vaccine as a booster in individuals aged 18 and older on Oct. 26, 2021. Booster doses for those aged 16 and older has also been approved for use in the United States, Israel, and the United Kingdom. Health Minister Greg Hunt said on Sunrise that this was “good news.” “It is the first of the two green lights that are necessary. The Therapeutic Goods Administration, our medical …