Virtual visit

Online medical advice (electronic mail and live chat) for a patient who is already under the care of a medical provider for treatment of minor ailments and follow-up consultations (e.g., medication questions, colds and influenza, laboratory test results, cough and sore throat, headache and migraine, fever, asthma). Some insurance plans pay doctors for online visits.

Virus

Destructive program that attaches and copies itself to other programs in a computer system. Some viruses destroy programs or operating systems and data after a precise lapse of time.