Analysis of information sources in references of the Wikipedia article "List of COVID-19 vaccine authorizations" in English language version.
The vaccine, known as Ad26.COV2.S, is a replication-incompetent adenovirus type 26 (Ad26) vectored vaccine encoding a stabilized variant of the SARS-CoV-2 S protein.
That is why it is important to emphasise that it is still an approved vaccine.