The four types of strep throat, identified through testing, include:
- Group A Streptococcus (most common, causes strep throat and skin infections)
2. Group B Streptococcus (mainly affects newborns and the elderly)
3. Group C Streptococcus (less common, can cause similar symptoms to group A)
4. Group G Streptococcus (rarely causes throat infections but possible)