WASHINGTON (Reuters) - More than 103 million doses of influenza vaccine have been distributed to clinics, hospitals and pharmacies across the United States this year, the most ever, the U.S. Centers for Disease Control and Prevention reported on Friday.Up to 132 million doses will be available by the end of flu vaccination season, which can run into December and January, the CDC said. Flu season usually peaks in January and February in the United States.
