Word: vaccinees
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At issue is a matter of head count. If the entire group of volunteers who were enrolled in the study were included in the data, then the results would suggest a 31% effectiveness rate, with 51 in the vaccine arm and 74 in the control group becoming infected with HIV...
The resulting tally, then, would include a much smaller pool of participants, which automatically lessens the significance of whatever effect, if any, the vaccine appeared to have, says Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases. "When you lose statistical power, something that would have...
According to Fauci, however, the trial was not designed to license the vaccine but to test whether the concept of using the two vaccines in sequence would work. In the latter condition, statisticians say scientists generally consider all data from the complete, original population, since these numbers more accurately reflect...
So does this mean the vaccine was not effective? That depends on whom you ask. Some experts argue that the vaccine's effect, if it exists, is so tiny that it's not worth pursuing in a significant way. They also question whether such a large trial can be considered...
Fauci acknowledges that the vaccine's effect is small, but believes that it's an important first step toward understanding how the body fights off HIV. "It's barely significant, yes," he says. "But it's interesting in that it opens up a door for us to be able to...