
A study of 193,260 individuals found overlapping tick-borne antibody levels more frequently among those with Lyme antibodies, highlighting diagnostic challenges when active coinfections are not confirmed.
The most common viral infection on the planet, the common cold, is anything but simple.
This segment takes a closer look at the common cold, caused by more than 200 viruses with rhinoviruses leading the pack. Although often mild, the cold spreads easily and affects children disproportionately—accounting for a large portion of annual sick days. Knowing the biology behind colds and how they’re tracked helps break down what makes them so persistent.







