influenza B, and RSV or respiratory syncytial virus. As we all know, there was virtually no flu season last year because most places were on lockdown, many schools were virtual, people weren't ...

The more accurate flu tests—reverse transcription polymerase chain reaction (RT-PCR), viral culture, and immunofluorescence ... then send the swab to a specialized lab. While less accurate ...

virus infections collected through surveillance monitoring from March 28 to October 31, 2024, in the United States. A nasopharyngeal swab, a combined nasal-oropharyngeal swab, or both and a ...