Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
First Responders receive an audible alert on their mobile phones when they approach a COVID-19 infected location during a 911 call. A software product by Zco Corporation
Share your knowledge with the community
Browse our collection of 300,000+ community-written definitions
