Confused about all those coronavirus testing options? Here’s a consumer’s guide

One test promises to detect coronavirus in your saliva from the comfort of your own home.
Another do-it-yourself kit instructs folks on how to insert a Q-tip like swab into each nostril, swish around several times, then FedEx to a lab for analysis.
Blood tests are offered in mall parking lots, in alleys behind doctors’ offices, by myriad companies pitching a quick answer to the all-consuming question: Have I been infected with COVID-19?
This illustration provided by the Centers for Disease