According to a source within Apple, the company's March event has been called-off or cancelled due to the novel Coronavirus widespread. However we will still have the American's announce and release their latest products, mostly in an online-only event considering the health and safety of their attendees, employees and the media. The tipster also told us that, so far there have been 32 confirmed cases of Coronavirus in Santa Clara county in California, where Apple was supposedly planning to host their event this month. But to your notice, this is not a confirmed report from Apple, so let's just take it with a pinch of salt as we await official confirmation from the manufacturer.
Source: Jon Prosser (Twitter)