The population that was examined reached 1,500 people, half of whom were women.

Since 95 of them will test positive, there will be, on average, 475 positive tests.

Consequently, many of these travelers ended being trapped on the Cameroon Nigeria border for days, in appalling conditions, while waiting to be screened for the Ebola virus before being allowed back into Cameroon.

Of the 99,500 people without cancer, 1 will test positive, yielding 995 false positives out of 1,470 positive tests.

The global perspective is that up to 30 percent of children in school have learning weaknesses that are not self correcting, but with appropriate treatment, they can be screened for and detected and corrected and avoid their academic failure.

Their husbands, though, were often informed, based on the assumption that it was they who would decide the future course of action that is, whether or not to continue with the pregnancy and whether or not to get tested for HIV themselves. Fear of confronting such treatment and association with HIV discourage many women from seeking regular medical care.

The number of HIV AIDS test and treatment centres expanded from 89 in 2002 to 115 in 2004, which in turn has led to a rise in the number of tested people from 30,412 in 2002 to 71,730 in 2004.