This concept incorporates the three important phases in each laboratory investigation: preanalytical, analytical and postanalytical. The preanalytical phase is the period before diagnostic ...

The first stages of yellow fever are similar to the common flu: headache, fever and muscle aches. This lasts for two to three days and then the victim feels better, even to the point of thinking ...

1. The baby or child has a raised temperature (above 37°C). They have hot flushed skin and may be sweating. In the early stages of fever, a baby or child may have a raised temperature but complain ...