People with coronavirus may be most infectious in the first week of symptoms

That could lend more weight to the argument in favor of wearing a mask while in public.

https://www.technologyreview.com/s/615432/people-with-coronavirus-may-be-most-infectious-in-the-first-week-of-symptoms/?truid=e6a9a97f971519b8818ba7420a6d576d&utm_source=the_download&utm_medium=email&utm_campaign=the_download.unpaid.engagement&utm_content=04-02-2020