AstraZeneca: COVID-19 Vaccine Shown To Be ‘Highly Effective’

FILE - In this Wednesday, June 24, 2020 file photo, a volunteer receives an injection at the Chris Hani Baragwanath hospital in Soweto, Johannesburg, as part of Africa's first participation in a COVID-19 vaccine trial developed at the University of Oxford in Britain in conjunction with the pharmaceutical company AstraZeneca. AstraZeneca says late-stage trials of its COVID-19 vaccine were "highly effective'' in preventing disease. A vaccine developed by AstraZeneca and the University of Oxford prevented 70% of people from developing the coronavirus in late-stage trials, the team reported Monday Nov. 23, 2020. (Siphiwe Sibeko/Pool via AP)

(AP) — AstraZeneca says that late-stage trials showed its coronavirus vaccine was up to 90% effective, giving public health officials hope they may soon have access to a vaccine that is cheaper and easier to distribute than some of its rivals. The results announced Monday are based on interim analysis of trials in the U.K. and Brazil of the vaccine. Dr. Andrew Pollard said if people were given a half-dose followed by a full dose protection was about 90%. Two other drugmakers, Pfizer and Moderna, have reported preliminary results showing that their vaccines were almost 95% effective. Yet the AstraZeneca-Oxford vaccine does not have to be stored at ultra-cold temperatures, making it far easier to distribute in developing countries. It is also cheaper.


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