This should come as a shock to absolutely no one at all.
The three cases in Maryland, and all of the cases in Houston are from people who took a CRUISE SHIP on the Nile River. The ship, MS Asara, was found to have crew aboard who are infected and were placed into quarantine.
https://www.fox5dc.com/news/maryland-coronavirus-cases-linked-to-egyptian-cruise-ship-governor-saysAnd two of the individuals in Maryland recently went to large events, one at a school and another at a nursing home.
"If you will not fight for right when you can easily win without blood shed; if you will not fight when your victory is sure and not too costly; you may come to the moment when you will have to fight with all the odds against you and only a precarious chance of survival. There may even be a worse case. You may have to fight when there is no hope of victory, because it is better to perish than to live as slaves." - Sir Winston Churchill