A shortage of Tamiflu has many on edge, but it's not the only remedy this flu season. Dr. Bruce Hensel reports for the NBC4 News at 6 p.m. on Jan. 10, 2013.
The flu is widespread now in more than two-thirds of the country. A widespread flu outbreak pushes up demand for popular treatment.
The Centers for Disease Control's latest report on this unusually bad flu season shows that the virus'es geographic reach has grown but that the outbreak may have begun to wane.
"The bottom line: It's flu season," said Dr. Tom Frieden, Director of the Centers for Disease Control and Prevention during a press conference addressing the report on Friday morning. "Most of the country is seeing or has seen a lot flu and this may continue for a number of weeks."
The report, which covers the week from Dec. 30 to Jan. 5, shows that the outbreak has now spread to 47 states, up from 41 the previous week.
Flu Spike: How to Stop It
"We're continuing to see influenza activity remaining elevated in most of the U.S.," Frieden said. "It may be decreasing in some areas, but that's hard to predict, because particularly when you have data from over the holidays season."
While 24 states are still reporting a high level of flu, that number is down from 29 the previous week. Frieden went on to say the data showing the flu could be waning may have been skewed by the holidays, a time during which doctors may be on vacation or people may be less likely to seek treatment.
Flu Tips for Parents
Since the outbreak began in October, more than 3,700 people have been hospitalized with the flu, and 20 children have died.
This year's vaccine has been 62 percent effective, about what the CDC expected given current conditions, according to Frieden, who warned that even if the flu is ebbing, flu season is far from over.
"Nationally, it's likely that flu will continue for several more weeks," said Frieden. "During the past decade we have seen an average of about 12 consecutive weeks — three months — of ILI (influenza-like illness) being elevated. But as we often say, the only thing predictable about flu is that it's unpredictable. Only time will tell us how long our season will last and how moderate or severe this season will be in the end."
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States reporting widespread flu activity:
Alabama, Alaska, Arizona, Arkansas, Colorado, Connecticut, Delaware, Florida, Georgia, Kentucky, Idaho, Illinois, Indiana, Iowa, Kansas, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, and Wyoming.
States reporting high flu activity:
Alabama, Colorado, Delaware, Georgia, Illinois, Iowa, Kansas, Louisiana, Michigan, Minnesota, Mississippi, Missouri, New Jersey, New Mexico, North Carolina, North Dakota, Oklahoma, Pennsylvania, Rhode Island, Tennessee, Texas, Utah, Virginia, and West Virginia
Visit NBCNews.com for breaking news, world news, and news about the economy
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