In autumn and winter, the new coronavirus will recur, but this time the vaccine is almost the same.After Pfizer announced that 90% of the new coronavirus vaccine was effective a few days agoModerna released a more vigorous announcement tonight. Its mRNA vaccine is 94.5% effective and more applicable.
Moderna is an American biotechnology and pharmaceutical technology giant. As soon as the sequence of the new coronavirus vaccine was announced at the beginning of this year, they took the lead in announcing the development of vaccines. They also took the lead in developing mRNA vaccines, which is one of the most advanced technical routes in vaccines.
This evening, Moderna announced the results of the interim phase III clinical trial of the new crown candidate vaccine, mrna-12733,It has reached the statistical efficacy standard specified in the study protocol, and the efficacy has reached 94.5%.
More than 30000 people participated in the three-phase clinical verification. The test results counted the two weeks after the second vaccination. A total of 95 cases appeared, including 90 cases in the placebo group and 5 cases in the experimental group. The effective rate of vaccine protection reached 94.5%.
In terms of safety, the mrna-12733 vaccine did not report any major safety risks. The vaccine was well tolerated, and most of the adverse events were mild or moderate, and the duration was short.
Since the vaccine is also mRNA technology, many people worry that its storage conditions are as harsh as Pfizer's mRNA vaccine, requiring a low temperature of 75 degrees below zero, but Moderna company says its vaccine is stable,Stable for 30 days at 2-8 degreesPfizer vaccine can only last for 5 days under the same conditions.
At present, Moderna is applying to FDA for emergency use authorization,It is estimated that 20 million doses of vaccine will be put on the market in the United States by the end of this year, and 500-1 billion doses are expected to be produced in 2021 for global supply。
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