New Flu Variant Symptoms 2026: When To See a Doctor

What early flu symptoms should people watch out for? Small but consistent temperature elevations can appear one to two days before classic flu symptoms develop. These changes reflect early immune signaling as the body begins responding to a viral threat. Early on, people often describe feeling off, unusually tired, or mildly foggy rather than clearly ill. Fortunately, oral thermometers are a ...

Source: katiecouric.com