AstraZeneca is the third major drug company to report late-stage data for a potential COVID-19 vaccine as the world waits for scientific breakthroughs that will end a pandemic that has pummeled the world economy and led to 1.4 million deaths. But unlike the others, the Oxford-AstraZeneca vaccine doesn’t have to be stored at freezer temperatures, making it potentially easier to distribute, especially in developing countries.“I think these are really exciting results,” Dr. Andrew Pollard, chief investigator for the trial, said at a news conference. “Because the vaccine can be stored at fridge temperatures, it can be distributed around the world using the normal immunization distribution system. And so our goal … to make sure that we have a vaccine that was accessible everywhere, I think we’ve actually managed to do that.”The Oxford-AstraZeneca vaccine was 90% effective in preventing COVID-19 in one of the dosing regimens tested; it was less effective in another. Earlier this month, rival drugmakers Pfizer and Moderna reported preliminary results from late-stage trials showing their vaccines were almost 95% effective.While the AstraZeneca vaccine can be stored at 2 degrees to 8 degrees Celsius (36 degrees to 46 degrees Fahrenheit), the Pfizer and Moderna products must be stored at freezer temperatures. In Pfizer’s case, it must be kept at the ultra-cold temperature of around minus-70 degrees Celsius (minus-94 Fahrenheit).The AstraZeneca vaccine is also cheaper.
AstraZeneca, which has pledged it won’t make a profit on the vaccine during the pandemic, has reached agreements with governments and international health organizations that put its cost at about $2.50 a dose. Pfizer’s vaccine costs about $20, while Moderna’s is $15 to $25, based on agreements the companies have struck to supply their vaccines to the U.S. government.
All three vaccines must be approved by regulators before they can be widely distributed.
I must admit, I'm kind of rooting for the AstraZeneca vaccine, for no particularly good reason --- other than the fact that I work for one of the health care systems who partnered with AstraZeneca for its trial. But the drastically lower price point and the fact that it requires only ordinary refrigeration, rather than the "ultra-cold temperature" of its competitors, makes it seem like the clear leader in my mind.
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