The EU has hit back at AstraZeneca’s plan to provide fewer doses of its COVID-19 vaccine than expected, saying it wants to see exactly where supplies have been delivered so far.
Laboratory studies have confirmed that antibodies stimulated by Pfizer and BioNTech’s COVID-19 vaccine can neutralise the new, more transmissible variant of SARS-CoV-2 identified in the UK.
Public health authorities in California are seeking a halt on dosing of one lot of Moderna’s COVID-19 vaccine after reports of allergic reactions at one immunisation clinic.