Viral sicknesses have risen in early 2025 amid the ongoing “quad-demic” in the U.S., referring to three respiratory viruses and one gastrointestinal disease, according to the Centers for Disease Control and Prevention (CDC) data.

The number of people that have caught COVID-19, influenza or Respiratory syncytial virus (RSV), along with norovirus, has gone up, CDC said in the new Friday update.

Emergency department visits are “high” for........

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