Olde Hornet
Well-Known Member
What we know about Moderna's coronavirus vaccine and how it differs from Pfizer's
Moderna's coronavirus vaccine is similar to the Pfizer-BioNTech vaccine that was authorized and shipped out to Americans earlier this week. But there are a few key differences.
www.cnn.com
The Moderna vaccine was effective in preventing Covid-19 cases in total and in limiting severe Covid-19 during the trial.
The vaccine's efficacy against Covid-19 was 94.1%, occurring at least 14 days after the second dose, according to a briefing document released by an advisory committee to the FDA.
In Moderna's trial, 15,000 study participants were given a placebo, which is a shot of saline that has no effect. Over several months, 185 of them developed Covid-19, with 30 developing severe forms of the disease. One of them died.
Another 15,000 participants were given the vaccine, and only 11 of them developed Covid-19. None of the 11 became severely ill.
The vaccine was effective across age groups, genders, racial and ethnic groups, and participants with medical comorbidities associated with high risk of severe Covid-19, according to the briefing document. About 10% of study participants were Black and 20% were of Hispanic or Latino.