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Disputes leave AstraZeneca boss with chronic vaccine headache
By Sarah Neville, Donato Paolo Mancini & Hannah Kuchler
South Africa sells AstraZeneca COVID-19 vaccines to other African countries
By Olivia Kumwenda & Giles Elgood
Covid: AstraZeneca vaccine 79% effective with no increased blood clot risk – US trial
By Sarah Boseley
AstraZeneca may have included outdated information in Covid vaccine trial, U.S. health agency says
By Sam Meredith
Pushing back against U.S. health officials, AstraZeneca says new analysis confirms efficacy of its Covid-19 vaccine
By Matthew Herper
U.S. Health Officials Question AstraZeneca Vaccine Trial Results (Published 2021)
By Benjamin Mueller, Rebecca Robbins & Sharon LaFraniere
AstraZeneca Vaccine 100% Effective In Preventing Severe Disease And Hospitalizations, U.S. Trials Show
By Siladitya Ray
AstraZeneca Got Its Vaccine Right. The Rollout Has Been a Mess.
By Joseph Walker, Jenny Strasburg & Thomas M. Burton
AstraZeneca: US data shows vaccine effective for all adults
By Lauran Neergaard & Maria Cheng
Trial review board raises concerns about AstraZeneca vaccine data
By Michael Nedelman & Jamie Gumbrecht
AstraZeneca vaccine found to be 79% effective in U.S. trial, 'no increased risk' of blood clots
By Sam Meredith