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.
Answer Wiki. The short answer is that American Express cards have a different PAN format than Visa, MasterCard and Discover because they offer a different kind of financial service. American Express cards are travel and entertainment cards. The digits on the front of almost all credit cards are known as the Primary Account Number, or PAN.