(CNN) A hairstylist with coronavirus worked for eight days this month while symptomatic, exposing as many as 91 customers and coworkers in Missouri, health officials said.
In this instance, the 84 customers exposed got services from the hairstylist at Great Clips, said Clay Goddard, director of the Springfield-Greene County Health Department. In addition to the customers, seven coworkers were also notified of exposure.
It's unclear when the stylist tested positive but the infection is believed to have happened while traveling. The stylist worked May 12 through Wednesday, health officials said Friday. At the time, businesses such as barbershops and hair salons were allowed to operate in the state.
"The individual and their clients were wearing face coverings. The 84 clients potentially directly exposed will be notified by the Health Department and be offered testing, as will seven coworkers," the Springfield-Greene County Health Department said in a statement. "It is the hope of the department that because face coverings were worn throughout this exposure timeline, no additional cases will result."
Goddard did not provide details on the identity or the condition of the stylist. He said health officials have reached out to the people who were exposed, adding that the hairstylist had kept impeccable records that made contact tracing possible.
But he cautioned about the risks of overwhelming resources.
"I'm gong to be honest with you: We can't have many more of these," he said at a news conference. "We can't make this a regular habit or our capabilities as a community will be strained."
Health officials provided a detailed timeline of all the places the stylist visited, including a local Dairy Queen, a Walmart and a CVS pharmacy.
They urged those who may have gone to those places to be on the lookout for coronavirus symptoms.
Goddard said he was pleased with the deep cleaning measures taken by Great Clips, adding that he now considers the business safe.
"The wellbeing of Great Clips customers and stylists in the salon is our top priority and proper sanitization has always been an important cosmetology industry practice for Great Clips salons. We've closed the salon where the employee works and it's currently undergoing additional sanitizing and deep cleaning," the owners of the business said in a statement to CNN affiliate KYTV.
More than 96,000 people have died from coronavirus in the United States, where the number of confirmed cases is over 1.6 million, according to Johns Hopkins. Missouri has nearly 12,000 cases of infections and more than 600 deaths.