ABC13 first reported on 25-year-old Alexis McNeilly last December after police accused her of stealing drugs like fentanyl and hydromorphone at work.
The county confirmed all three residents were vaccinated with two doses, but did not report whether they had received their booster shot.
It's the first time since earlier this year that a variant other than delta has been detected at the hospital.
Dr. Mary Bowden received the suspension after the hospital system said she was "spreading dangerous misinformation" about the COVID vaccine.
Houston Methodist has suspended privileges for a Houston doctor for 'spreading dangerous misinformation' about the COVID-19 vaccine and treatments.
Houston Methodist says Dr. Robert Grossman was a world renowned neurosurgeon, but his role in history came when he was just 30 years old.