months (F = - 2 ym; Figure 1. The number of male and female coyotes captured each month during de~redation control efforts in western Virginia by method. ' Females comprised 51% of our sample and males 49%.
Other less common viral and bacterial infections may cause mouth ulcers, but this is rare. Mouth ulcers can be caused by anaemia and occasionally by other blood disorders, and some skin or gastrointestinal diseases. Sometimes the mouth ulcers are the only sign of an underlying disease.
Causes of Mouth Ulcers or Sores. 1  Canker Sores. The main cause of 1 or 2 mouth ulcers after age 5. 2  Hand-Foot-Mouth Disease. The most common cause of multiple ulcers in the mouth. 3  Herpes Simplex Virus (Cold sore virus). The first infection can be severe. 4  Cold Sores (Fever Blisters). Sores are only found outside the mouth on the outer lip. They recur 2 or 3 times a year in the same place. There are no ulcers inside the mouth. Adult cold sores are the cause of Herpes Simplex infections in young children. Occurs in 20% of teens and adults.