Why this could be the worst flu season in the US in more than a decade - ABC News
Rising flu cases threaten hospital capacity as Covid surges into holidays
Preliminary Estimated Influenza Illnesses, Medical visits, Hospitalizations, and Deaths in the United States - 2021-2022 influenza season | CDC
ELEVATED FLU ACTIVITY PROMPTS ADVISORY FROM NEW YORK STATE | Erie County, NY Department of Health
About This Year's Flu | Maricopa County, AZ
Flu Returns as Omicron Surges - The New York Times
Flu cases plummeted during the 2020-2021 season, CDC says
Flu Has Disappeared for More Than a Year - Scientific American
Alabama seeing less severe 2020-21 flu season
Flu cases in Kentucky are on the rise; state has reported three flu deaths, one of them a dual infection of the flu and Covid-19 – Kentucky Health News
Seasonality of influenza and coseasonality with avian influenza in Bangladesh, 2010–19: a retrospective, time-series analysis - The Lancet Global Health
Why easing COVID restrictions could prompt a fierce flu rebound
Flu cases in Pennsylvania and New Jersey are also rising
Early Wave of Flu Brings Early Flu Hospitalizations
Flu season 2020-2021: Flu activity is at historic lows with mask-wearing
Flu cases rising, but still rates are lower than 2019-2020 figures
Flu Has Disappeared for More Than a Year - Scientific American
The Flu Vanished During Covid. What Will Its Return Look Like? - The New York Times
Flu causes huge spike in child hospitalizations in Canada
Seasonal Influenza Rates Drop to Historic Lows During the COVID-19 Pandemic
Wearing a mask does indeed matter: Lessons from the 2021 influenza infection season - European Journal of Internal Medicine
The Flu Vanished During Covid. What Will Its Return Look Like? - The New York Times