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3rd major COVID-19 vaccine shown to be effective and cheaper

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 temperatures approaching minus-70 degrees Celsius (minus-94 Fahrenheit).

According to CNN, the effectiveness was raised from 70% to 90% by decreasing the amount of the first dose and increasing the amount of the second dose

https://apnews.com/article/astrazeneca-vaccine-third-cheaper-oxford-c99d26eb2946f6fde45a1edc002ff028