Emergency room visits due to tick bites are increasing across the U.S., with Oklahoma experiencing a seasonal surge in ...

Nearly 100 hospitalizations because of the flu were reported in Oklahoma from Jan. 2 through Tuesday, bringing the total since Sept. 30 to 345. Tulsa County accounts for 115 of those hospitalizations.

OKLAHOMA CITY — The threat of avian flu has declined in Oklahoma and nationwide, but egg prices remain elevated after spiking to historic levels triggered by the most recent outbreak of the ...

The Trump administration’s vaccine advisers took up an old flu-shot debate: whether it’s time to wipe out the last small fraction of those vaccines that contain a controversial preservative ...