Strep throat is known to cause a severe sore throat. Although sore throats can occur for many different reasons, strep throat differs quite a bit from just having sore throat. The infection is caused by streptococcus bacteria. Streptococcus, as opposed to the virus responsible for the common cold, is quite potent and usually leads to a severe sore throat. Let's take a closer look in this article as to how it's transmitted and ...