this case, no direct ties to china, she didn't know anyone who had been to china and that's why they soir alarmed about community spreading of this. in the meantime, the testing of coronavirus, we heard governor newsome said they have 200 test kits, wondering why they're not just testing for coronavirus as a precaution at this point. >> reporter: we're seeing some change just recently, david. the cdc revised their testing guidelines to include anyone with flu-like symptoms and a history of recent travel now to these five countries. china, south korea, italy, japan and iran, but even tonight as we come on the air, tefss from massachusetts and new york still have to be sent down to atlanta, so, they're going to have to ramp this up and quickly. >> testing being sent to atlanta be tested. jen, thank you. >>> we are following the economic fallout again tonight. the largest single day point drop ever. the dow losing 1,190 points. the sixth day of losses. it's been the worst week since the financial crisis in 2008. let's get right to abc's chief business correspondent rebecca jarvis at the new