H1n1 2024
Influenza A H1N1 | Symptoms, Treatment & Prevention Britannica
Types of Influenza Viruses CDC
Genomic characterization of Influenza A (H1N1)pdm09 and SARS-CoV-2 from Influenza Like Illness (ILI) and Severe Acute Respiratory Illness (SARI) cases reported between July–December, 2022 | Scientific Reports Nature.com
Drug-resistant "dual mutant" flu strains now being tracked in U.S., CDC says CBS News