July 1, 2020 9:00 pm Contact Tracing Through Technology Virginia is testing an app that would alert you if you’ve come into contact with someone who tested positive for the coronavirus. Consumer Reporter Susan Hogan shows how it works. Local 2:42 How to pick kids' toothpaste and toothbrushes 2:03 Here's how to keep your summer picnic safe from bacteria 2:33 Tips for tackling your medical debt 2:07 How to get the most out of your gas tank 2:31 Consumer Reports rates best brands for buying used cars