New York will allow businesses to deny entry to people not wearing masks. Governor Andrew Cuomo issued an executive order authorizing businesses to deny entry for customers without masks. (CNBC)

Quest Diagnostics’ COVID-19 test was granted emergency use authorization from the Food and Drug Administration. The self-collection test kit allows patients to collect their own sample at home. The company expects to have more than half a million kits available by end of June. (Reuters)

Novartis has partnered with Massachusetts Eye and Ear Hospital on its coronavirus vaccine. Novartis’ AveXis division will begin manufacturing the experimental vaccine developed by hospital researchers this month. The vaccine is expected to begin human trials in the second half of 2020. (BioPharma Dive)

AstraZeneca is considering exposing vaccine trial participants to coronavirus. The company said it’s too early now to expose participants, but they may need to be exposed to the virus if the outbreak continues to decline and the risk of exposure naturally falls. (Reuters)

The first confirmed coronavirus cases were not linked to the largest outbreaks later, according to a study. In Washington state, for instance, the first confirmed case came more than two weeks before the cases that sparked the larger outbreak. (The New York Times)