Why did the rate drop? A vaccine efficacy’s rate is calculated by comparing the number of COVID-19 infections among trial volunteers who received the vaccine versus the cases among volunteers in the placebo group. In the Brazil trial, 85 participants injected with Sinovac’s vaccinedeveloped CO...
Germany's CureVac said Wednesday that final trial results showed its coronavirus vaccine had an efficacy rate of just 48 percent, far lower than those developed by mRNA rivals BioNTech/Pfizer and Moderna.
The analysis evaluated 94 confirmed Covid-19 infections among the trial's 43,538 participants. Pfizer and the U.S. pharmaceutical giant's German biotech partner said the case split between vaccinated individuals and those who received a placebo indicated a vaccine efficacy rate of ab...
With the introduction of several COVID-19 vaccine candidates, vaccine efficacy has been widely reported; however, the meaning of vaccine efficacy is often unclear. The purpose of this commentary is to explain how vaccine efficacy is determined in the context of relative and absolute risk reduction...
Preliminary data show that the vaccine efficacy rate of V-01 booster is around 61.2% for people aged 65 and above, as well as those with underlying health conditions. An intranasal vaccine that requires no injection may be a game changer since it can directly boost mucosal defense in a perso...
The team's announcement said, "The case split between vaccinated individuals and those who received the placebo indicates a vaccine efficacy rate above 90%, at seven days after the second dose. This means that protection is achieved 28 days after the initiation of the vaccination, which consists...
The vaccine is generally safe and has a 79.34 percent efficacy rate according to clinical results released by the company on Wednesday. Strict supervision will continue to be carried out over the vaccine after its approval ...
People may be unwilling to get vaccinated if the COVID-19 vaccine offered in their country’s vaccination program is not their vaccine of choice. The current COVID-19 vaccines available differ in various characteristics such as level of efficacy for prevention of symptomatic disease, administration...
At a recent press conference, Xia introduced that, the risk of mortality for people over 80 years old who are infected with the novel coronavirus is about 14.7 percent if they do not receive any vaccine; the rate drops to 7.16 percent and 1.5 percent respectively after one and three shots....
79%Efficacy rate according to interim results of a phase 3 trial in UAE Sinopharm is also testing a second vaccine developed with the Beijing Institute of Biological Products, with similar characteristics to the Wuhan vaccine. The shot wasapproved for use in December in UAE, which said it had...