PASADENA, Calif.—Pasadena Public Health Department (PPHD) has received the first confirmed reports of the COVID-19 Delta variant infection in six Pasadena residents. The Delta variant was identified in laboratory specimens from these residents through genomic sequence testing. The households infected in Pasadena included a mix of vaccinated and unvaccinated individuals. Through contact tracing, PPHD has linked all of the cases to household exposures. To protect the privacy of the individuals, no further information will be released. This SARS-CoV-2 virus variant...