Coronavirus March 18, 2020 5:39 pm What to Know About Keeping Surfaces Clean Here’s what you should know about keeping surfaces clean to prevent the spread of the new coronavirus. Lolita Lopez reports for the NBC4 News on Wednesday March 18, 2020. US & World Videos 1:31 CDC recommends updated Covid shot for everyone ages 6 months and up 0:52 Lifeguard shortage impacts LA County pool hours 2:17 LA County: Mask Mandate Could Return in Weeks 2:22 Avoiding a COVID Winter Surge