Dr. Bruce Dart, Executive Director of the Tulsa Health Department, said in a press conference on Wednesday there are high numbers being reported this week, with nearly 500 new cases in two days and trends are showing that those numbers will increase.

There had been a 20% decline in new Covid-19 cases the week of June 28 through July 4.

The Tulsa Health Department reported 266 new cases on Wednesday, bringing the total number in the county to 4,571. There are 17,894 cases in Oklahoma and 452 deaths, according to Johns Hopkins University's tally of cases in the United States.

When asked if the cases in Tulsa are going up due to the rally on June 20, Dart said that there were several large events a little over two weeks ago.

"I guess we just connect the dots," Dart said.

In a statement to CNN, Leanne Stephens of the Tulsa Health Department said, "Our epidemiologists and contact tracers are inundated with following up with Tulsa County residents who are confirmed positive as the numbers have been extremely high in recent days. Yesterday, we set a new single day case high and you can see on our website where the trends are moving."

This coronavirus has a lengthy incubation period -- the time between when someone gets infected to when they start showing symptoms (if they get symptoms at all).The incubation period is about three to 14 days, with symptoms typically appearing "within four or five days after exposure," according to Harvard Medical School.

Trump campaign communications director Tim Murtaugh told CNN, "There were literally no health precautions to speak of as thousands looted, rioted, and protested in the streets and the media reported that it did not lead to a rise in coronavirus cases. Meanwhile, the President's rally was 18 days ago, all attendees had their temperature checked, everyone was provided a mask, and there was plenty of hand sanitizer available for all. It's obvious that the media's concern about large gatherings begins and ends with Trump rallies."

Murtaugh provided a link to CNN reporting on research suggesting that Black Lives Matter protests across the country did not lead to a jump in coronavirus cases.

All of Trump's campaign staffers who attended his rally went into quarantine, however, after interacting with several colleagues who later tested positive for the virus. Multiple Secret Service officers were also instructed to self-quarantine after two of their colleagues who were on site for the rally tested positive.

About 6,200 people attended the rally, according to the Tulsa Fire Department.

Tulsa Mayor G.T. Bynum said the rally, along with the large "serious seven" events -- which the state has identified as weddings, religious events and other large-scale gatherings -- informed an executive order that goes into effect tomorrow requiring events with more than 500 people to receive guidance from the health department to evaluate safety plans.

Event organizers and health officials will work on a case-by-case bases

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