An additional nine New Yorkers have tested positive for coronavirus, Gov. Andrew Cuomo said Thursday, ballooning the total number of cases to 22 statewide.

Eight of the new cases are in Westchester, connected to a single New Rochelle lawyer, identified by sources as 50-year-old Lawrence Garbuz, while the ninth is on Long Island, Cuomo said.

The afflicted attorney’s wife, son and daughter have also tested positive, as have a friend, his wife and three of their four kids, Cuomo has said.

A neighbor who drove Garbuz to the hospital has additionally been confirmed to have the potentially deadly disease.

Because he also has an underlying respiratory condition, Garbuz is currently hospitalized in Upper Manhattan, while the others are self-isolating in their homes.

Two students at Yeshiva University’s Washington Heights campus — where Garbuz’s son attends classes — are being evaluated, as are seven co-workers and an intern from Garbuz’s law office near Grand Central, authorities have previously said.

Additionally, approximately 1,000 people connected to that web have been asked to self-isolate, according to officials.

Cuomo nevertheless urged calm.

“Here the facts do not merit the level of anxiety that we are seeing,” he said in an afternoon press briefing. “I believe it’s being generated because … people don’t know the truth, they don’t know the facts.

“I’m a little bit perturbed about the daily angst,” he continued.

The announcement of the additional patients came hours after Mayor Bill de Blasio announced two new cases in the five boroughs: a man in his 40s, and a woman in her 80s, both of whom are hospitalized in intensive care.

The Long Island patient is a 42-year-old Nassau County man currently hospitalized in an undisclosed county hospital, according to Cuomo.

“That individual has underlying medical conditions, which is one of the populations that is at greater risk for this virus,” said Cuomo, noting that the man’s condition is “improving.”

His close relatives have been advised to self-isolate, while disease detectives are retracing his steps in an attempt to track down anyone he may have come in contact with.

Officials are also working to ascertain exactly how the man caught the disease.

“We don’t know yet, but it’s community spread,” said Dr. Howard Zucker, commissioner of the state Department of Health, noting that the man had not recently traveled to any countries affected by the outbreak.