Exposure to cold temperatures and a low body temperature (hypothermia, a body temperature at or below 95 degrees) can also cause chills as muscles contract and relax to warm the body. Autoimmune and inflammatory disorders, as well as some cancers, can also cause a fever and chills.
American Express Serve Card: Prepaid, With A Twist. The American Express Serve Card is a unique prepaid card that offers a way to manage your spending as closely as you would with cash, except with a card. Here, letâs take a look what makes Serve different.
On American Express cards, the card security code is the four digits printed (not embossed) on the front towards the right. The card security code is not encoded on the magnetic stripe but is printed flat. 1  American Express cards have a four-digit code printed on the front side of the card above the number.