HOUSTON — After warnings of an omicron surge over the holidays, Harris County has reported its first death caused by the omicron variant of COVID-19. It's also the first known omicron death reported nationwide.County Judge Lina Hidalgo made the announcement during an afternoon news conference. "My phone was ringing, I'm sure you guys noticed, and it was our public health director telling me we just had our first omicron-related death," she said.According to Hidalgo, the patient was a man in his 50s who was not vaccinated and had an underlying health condition. He lived in Precinct 2.