Officials from Dallas County Health and Human Services are reporting a spike in flu cases.
According to a report released on Tuesday, Dallas County confirmed 316 positive influenza tests between February 20 and February 26.
The previous week, Dallas County confirmed 175 flu cases.
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Doctors across North Texas are noticing an upward trend.
"So far it has been a pretty mild flu season, but the numbers are rising in Dallas and Collin County. In Plano, we've seen a lot of flu positives lately," said Dr. Mark Gamber, an emergency room doctor at Medical Center of Plano. "We're starting to see it pick up in the amount of flu related cases, particularly in the last week or two."
Numbers collected for the Influenza Surveillance Summary are provided by Dallas County providers, hospitals and viral labs.
Tracking began on Sept. 27, 2015.
A total of 968 patients have tested positive for the flu.
Dallas County confirmed one adult flu-related death in week eight. Collection of week eight's flu numbers are in progress.
The person's name or age was not released by Dallas County.