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A cluster of coronavirus cases in California was traced to a coughing patient at a birthday party

A birthday party in March was behind a cluster of coronavirus cases in Pasadena, California, according to health officials. CNN's Paul Vercammen has more.

Posted: May 11, 2020 4:31 PM
Updated: May 11, 2020 4:31 PM

A birthday party was behind a cluster of coronavirus cases in Pasadena, California, according to health officials.

A "large number" of extended family members and friends were at the party, the Pasadena Public Health Department said in a news release, adding the event took place after the city issued a stay-at-home order in March.

One patient at the party was coughing and not wearing a face covering, health officials said, and other party guests were also not covering their face or social distancing.

"She was joking with people at the birthday party," Lisa Derderian, a spokeswoman for Pasadena, said of the woman who was coughing. "She said I may have Covid-19, and lo and behold, she did."

"It was selfish behavior that could have been avoided," Derderian told CNN.

Through contact tracing, investigators were able to confirm five Covid-19 cases traced to the party, all Pasadena residents.

"But we think five or six more party guests who live outside Pasadena May have been infected, because they showed symptoms of the virus," Derderian said. "They need to quarantine and eventually be tested."

"This is an example of how good contact tracing can identify disease clusters and tell us more about the spread of disease in our community," said Dr. Matthew Feaster, an epidemiologist with the department.

More than 66,550 people have been infected with the virus in California and at least 2,687 have died, according to Johns Hopkins University.

California was the first state to implement a stay-at-home order for its nearly 40 million residents on March 19, closing nonessential services and asking residents to stay home and maintain social distancing.

Pasadena officials issued a similar order. Essential businesses that remained open needed to practice social distancing, keep people 6 feet apart and provide access to hand washing, among other requirements.

California is now in the midst of a phased reopening and allowed some businesses like retailers, manufacturers and warehouses to reopen beginning Friday. Offices, gyms, restaurant dine-in service, malls, museums, salons and bars remain closed.

"Although we are moving forward with small modifications to the Safer at Home Order, gatherings of people who do not live in the same household are still prohibited," Dr. Ying-Ying Goh, director and health officer of the department, said. "The virus remains highly contagious. Social distancing, frequent hand washing, and wearing face coverings remain our best defenses against the further spread of Covid-19 in our community."

Indiana Coronavirus Cases

Data is updated nightly.

Confirmed Cases: 50300

Reported Deaths: 2748
CountyConfirmedDeaths
Marion11920692
Lake5432248
Elkhart347058
Allen2902133
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Johnson1325118
Porter80238
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Parke230
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Union130
Pike110
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Ohio Coronavirus Cases

Data is updated nightly.

Confirmed Cases: 62856

Reported Deaths: 3032
CountyConfirmedDeaths
Franklin11433443
Cuyahoga8786393
Hamilton6563207
Lucas2889305
Marion274039
Montgomery237835
Summit2299209
Pickaway221641
Mahoning1907239
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Columbiana135060
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Clark79310
Delaware67515
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Tuscarawas60110
Lake57022
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Medina56632
Licking56012
Miami50331
Portage48759
Wood47451
Clermont4537
Ashtabula44544
Geauga42543
Wayne37253
Richland3635
Allen34841
Greene3229
Mercer29510
Erie26722
Holmes2575
Darke25326
Huron2382
Madison2139
Ottawa16624
Sandusky15715
Washington14420
Coshocton1413
Ross1393
Crawford1385
Putnam13415
Hardin12312
Morrow1211
Athens1111
Auglaize1094
Jefferson1052
Muskingum961
Union931
Monroe8917
Hancock851
Lawrence820
Preble821
Hocking809
Clinton791
Guernsey793
Shelby744
Williams742
Logan681
Fulton660
Scioto650
Carroll643
Ashland632
Wyandot625
Brown601
Fayette550
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Knox531
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Highland491
Van Wert451
Perry411
Seneca402
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Jackson270
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Vinton232
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Noble130
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Morgan120
Unassigned00
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