There are bacteria everywhere around us, and while many of them are benign and some are even helpful, pathogenic bacteria pose a growing threat to human health. Since many popular antibiotics can no longer successfully treat tenacious illnesses, antibiotic resistance is increasingly becoming a serious issue. Antibiotic-resistant bacteria are already responsible for the deaths of roughly 1.3 million people annually, and some experts have predicted that this hazardous condition will kill ten million people annually by 2050.Clinicians may have to give a patient several different antibiotic prescriptions before they find one that works while treating bacterial illnesses. By identifying the bacterium causing the infection and determining whether it is contagious or not, testing can assist reduce the list of potential therapies.