What does a positive PCR result mean…or not mean?

The polymerase chain reaction (PCR) has remained a hugely important laboratory tool for decades. Subtle changes to the enzymes and drastic change to detection of a result have occurred in Read More …

How many cold viruses in one place, in one season?

I was recently asked how many different common cold viruses are there at a given time? The short answer is – dozens!  In the past, I’ve written a few reviews (for Read More …