Children often come down with sore throats commonly caused by colds, viruses and, environmental factors such as smoke, dust in the air, and plant allergens. The concern is when a sore throat involves Strep, which is different and can lead to serious complications if left untreated. The throat infection is caused by bacteria named Group A Streptococcus. Strep throat is contagious and most often affects children younger than 16. It is most common in winter and spring, according to Centers for … [Read more...] about Strep: Group A and Group B Infection