Looking at AIDS as an African problem will be at odds with the reality of the disease.

What if we're seeing the stirrings of 'Dutch disease', whereby windfall gains from commodity industries push up the currency so as to squeeze activity in more productive sectors like manufacturing?

Hepatitis A, among the various hepatitis diseases that we have, is a very mild disease, generally causing fever, malaise, nausea and jaundice. But in general, it is a very mild disease.

We need to find out more about the source of the disease before we can decide when to lift the ban,

Since carriage in the nose is the first step in causing disease, the increased rate of carriage suggests more frequent occurrence of the disease. Indeed, active and passive smoking are associated with increased rate of respiratory infectious diseases.

The difference between a pandemic flu plan and other disease plans is that in a pandemic, we assume there will not be any external resources to count on.