" Winter marks the time of the year with the worst weather and highest prevalence of viruses and infections. Most common during the winter are sicknesses such as influenza, the common cold, norovirus and strep throat. Unlike the other three aforementioned illnesses, all of which are viral infections, strep throat is a bacterial infection. Strep throat is caused by the Streptococcus bacteria, which spreads between person-to-person via saliva. While children are the most susceptible to contracting ...