Mule Name Meaning. English: from a medieval personal name, perhaps Old English Mul (from Old English mul âmuleâ, âhalfbreedâ). This was the name of a brother of Ceadwalla, King of Wessex (died 675), and is also found as a place name element.
1 The whooping cough booster is a combination vaccine with tetanus and diphtheria. 2  The vaccine is called Tdap. 3  Once an adult gets the Tdap vaccine, he or she should get the Td (tetanus and diphtheria) booster every 10 years from then on.
The tetanus-diphtheria-acelluar pertussis (Tdap) vaccine is a booster shot that helps protect your preteen or teen from the same diseases that DTaP shots protect little kids from. 1  Tetanus is caused by a toxin (poison) made by bacteria found in soil. 2  Diphtheria is not as common as tetanus but can be very dangerous.