Transcript for States seeing uptick in coronavirus cases as reopening continues
To you to where things stand with the pandemic. We have more areas re-opening even as 18 states and Puerto Rico report increasing numbers of cases and there's the question of whether the protests will make the outbreak worse. ABC's Trevor Ault has that story. Reporter: With massive gatherings popping up in hundreds of American cities, this morning, there's mounting concern about a lack of distancing and masks. The world health organization now issuing new guidelines recommending medical grade face coverings in crowded areas and everywhere for people over 60 with health issues as 18 states and Puerto Rico are reporting an increase in covid-19 cases. We've gotten a little lackadaisical about this horrific virus that hasn't gone away from the world or from our communities. Reporter: This week Florida amid an increase in testing saw its biggest spike in cases so far. While in Texas, Houston has seen cases climbing steadily though a health department official says it's unfair to place the blame on protesters. If anything, it's going to be the re-opening of society and, you know, people becoming fatigued, if you will, with the precautions we've asked them to take. Reporter: Pennsylvania officials say Erie county is in the midst of a possible outbreak, but a dozen other counties in the state have now transitioned into the next phase of re-opening granting access to salons, gyms and indoor dining with restrictions. The phones have been nonstop, can I make reservations? We're not doing reservations because we only have six tables. Reporter: In Illinois the governor signed an executive order allowing in person summer schools to resume, while California will allow school, day camp, bars, gyms and professional sports in Friday. And already Las Vegas hotel casinos and Wayne newton welcoming gamblers for the first weekend back. It's like going back to school first day at class, we're excited. Reporter: New York City in its final weekend before re-opening starts reporting hospitalizations have gone up from 48 to 84. The mayor says that spike is not from the protest but is urging all protesters to get tested and for New York state as a whole, much better news from governor Andrew Cuomo. 42 deaths, the lowest number since we started. Eight weeks ago we had 800. Reporter: On New York City's Long Island a spaced out celebration for the first graduating class of the academy high school. Tania will attend ithaca college. Reporter: Seniors grateful for an in-person commemoration complete with a parade of cars. This is the best day of my life. Reporter: The U.S. And the rest of the world continue to hang their hopes on a vaccine. And president trump has announced 2 million units of a possible vaccine could be ready by the end of the year if it passes all its clinical trials, of course, that's a still a big if right now. A lot watching the numbers. Trevor Ault, thanks so much. We want to turn to weather and rob Marciano is in new
This transcript has been automatically generated and may not be 100% accurate.