(WIVB) — There are now four additional cases of COVID-19 confirmed in Erie County bringing the total to seven.

According to the Erie County Health Department, these new cases include:

– A male in his 30s, with recent travel from New York City

– A female in her 30s, with recent travel out of state

– A female in her 20s, with recent travel from New York City

– A male in his 40s, with recent travel out of state

Our @ECDOH has confirmed 4 new #COVIDー19 cases in residents of Erie County. Our epidemiologists have notified and placed them in mandatory isolation and are working to identify close contacts of each.



Also @ECDOH has updated quarantine numbers for the county as of 6pm. More: pic.twitter.com/9YdzXjWtet — Mark Poloncarz (@markpoloncarz) March 15, 2020

They are in mandatory isolation at this time.

Previously, only three cases had been announced in Erie County. One of these seven people works at Tops’ corporate headquarters in Williamsville. After last working on March 9, they are now quarantined at home. That employee had no contact with any supermarkets or warehouses.

A worker at the M&T Plaza in Buffalo is another one of the people confirmed to have coronavirus. M&T says the employee recently traveled out of state, and began experiencing flu-like symptoms before electing to self-quarantine. The worker was described as “a non-customer facing colleague.”

“We commend our colleague for exercising good judgement, and our thoughts are with them as they recover,” M&T wrote.