There are two ride-hailing apps that dominate the scene: Uber and Lyft. Both have been around for the last several years, with Uber starting around 2009 and Lyft launching in 2012. Both have apps for Android and iOS, while only Uber has an app for Windows Phone as well.
Medicine/Medical. the preventing of disease. the prevention of a specific disease, as by studying the biological behavior, transmission, etc., of its causative agent and applying a series of measures against it. prophylactic treatment, as the cleaning of the teeth by a dentist or dental hygienist.
A prophylaxis is a measure taken to maintain health and prevent the spread of disease. Antibiotic prophylaxis is the focus of this article and refers to the use of antibiotics to prevent infections. Antibiotics are well known for their ability to treat infections. But some antibiotics also are prescribed to prevent infections.