Viruses may cause the most sore throats, but when it comes to bacterial sources, strep seems to get a bad rap as THE germ that causes tonsillitis and pharyngitis. However, a 2015 study from University of Alabama suggests that group A strep which is detected by the commonly used rapid strep swab only accounts for about 10% of bacterial sore throats. The real culprit that causes most of the bad non-viral sore throats at least in young adults (15-30 years) is Fusobacterium necrophorum . Th…