Andrew Johnson 17th U.S. President About President Johnson: He was a self-educated man of humble origin who was Abraham Lincoln's vice president during his second term and became President upon the assassination of Lincoln in April of 1865. Born to a poor family in Raleigh, North Carolina, as a boy Johnson never attended school.
Fever blisters, also called cold sores, usually occur outside the mouth--on the lips, chin, cheeks or in the nostrils. When fever blisters do occur inside the mouth, it is usually on the gums or the roof of the mouth. Inside the mouth, fever blisters are smaller than canker sores, heal more quickly, and often begin as a blister. Both canker sores and fever blisters have plagued mankind for thousands of years.
Cold sores, also called fever blisters or herpes simplex type 1, are groups of painful, fluid-filled blisters. Unlike canker sores, cold sores are caused by a virus and are extremely contagious.Also, cold sores typically appear outside the mouth -- usually under the nose, around the lips, or under the chin -- while canker sores occur inside the mouth.ou may have a canker sore if you have: 1  A painful sore or sores inside your mouth -- on the tongue, on the soft palate (the back portion of the roof of your mouth), or inside your cheeks.