BBC.comCovid vaccines: Mixing increases reports of mild side-effectsMay 12, 2021Jim ReedBy Jim Reedmore_vert
CBC.caOntario will no longer give AstraZeneca COVID-19 vaccine as 1st dose due to blood clot riskMay 11, 2021Muriel DraaismaBy Muriel Draaismamore_vert
CNNMixing Covid-19 vaccines tied to more side effects, early UK data suggestsMay 12, 2021Jacqueline HowardBy Jacqueline Howardmore_vert
The GuardianMore frequent side-effects reported mixing Pfizer and Oxford Covid jabs, study suggestsMay 12, 2021Natalie GroverBy Natalie Grovermore_vert
CBC.caMixing COVID-19 vaccine doses leads to more reactions, study finds, which may be 'first sign of success'May 13, 2021Lauren PelleyBy Lauren Pelleymore_vert