Reporting to the CDC: Healthcare workers should report suspected diphtheria cases to their local health agency and then call the CDC Emergency Operations Center (770) 488-7100 to acquire diphtheria antitoxin for treating the patient. The healthcare worker should avoid contact with eyes, saliva, or urine while reporting a case. To prevent spread of the disease: Cover coughs and sneezes with a tissue or elbow. Avoid touching your face. Clean and disinfect frequently touched objects such as keys, phones, desks, etc. Contact your physician if you have any concerns about whether or not you have been exposed to diphtheria.