The Centers for Disease Control and Prevention says the 2001-02 flu season was mild to moderate.
The agency also said on Wednesday that plenty of flu vaccine should be available for the new season that begins this fall.
The CDC said flu peaked this year in late February, when about one-fourth of possible flu specimens sent to a nationwide network of labs and doctors tested positive for the virus.
The CDC uses reports from doctors and labs across the country and records from 122 U-S cities to judge the severity of a flu season. The agency does not keep a tally of actual flu cases.
Manufacturers project 92 million to 97 million doses of flu vaccine will be available for the 2002-03 flu season, which begins in September. In the 2001-02 season, about 88 million doses were available.
In the 2000-01 season, only 70 million doses were distributed because of manufacturing delays.
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