Other Sources

Congregation for the Doctrine of the Faith: Note on the morality of using some anti-Covid-19 vaccines
What Catholics need to know about vaccines
91-year-old offers his vaccine spot for mom of disabled boy
During Holy Week, the Vatican vaccinates society’s poorest
U.S. Bishop Chairmen for Doctrine and for Pro-Life Address the Use of the Johnson & Johnson Covid-19 Vaccine
Pontifical Academy for Life: Pandemic Challenges Human Fraternity