If the country re-opens for business, there will be more cases of COVID-19 reported, and more deaths. And the more tests we do, the more cases we will find.
If the country remains locked down, there will be more cases of COVID-19 reported, and more deaths. There will also be increasing economic devastation, which itself causes deaths, and many more deaths from other medical conditions that have been untreated.
If an epidemic starts in one or a few locations and is promptly identified, it can be contained. But COVID-19 was probably circulating worldwide for at least a month before it was recognized. That’s how as many as half the people in certain places got antibodies.