COVID-19 vaccine #3 by AstraZeneca shown to be effective and cheaper

Drugmaker AstraZeneca said Monday that late-stage trials showed its COVID-19 vaccine is highly effective, buoying the prospects of a relatively cheap, easy-to-store product that may become the vaccine of choice for the developing world.

The results are based on an interim analysis of trials in the U.K. and Brazil of a vaccine developed by Oxford University and manufactured by AstraZeneca. No hospitalizations or severe cases of COVID-19 were reported in those receiving the vaccine.

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.

Source: Associated Press – DANICA KIRKA

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