So, what exactly are cold sores? According to Dr Kakai Kulabusia, a medical immunology specialist, these are small blister-like spots ... type 1 (HSV-1), often pop up around the lips or mouth.
So, what exactly are cold sores? According to Dr Kakai Kulabusia, a medical immunology specialist, these are small blister-like spots ... type 1 (HSV-1), often pop up around the lips or mouth.