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  1. Jun 25, 2021 · A fever is when your body temperature is 100.4°F (38°C) or greater. See a doctor if temperatures are at least 100.4°F (38°C) for infants, 102.2°F (39°C) for children, and 103°F (39.4 C)...

    • Corey Whelan
  2. COVID-19 infection can cause a fever or high body temperature of 100.4°F or higher. The normal human body temperature is 98.6°F (37°C) although it can fall between 97°F and 99°F (36.1°C and 37.2°C).

  3. Dec 22, 2022 · A body temperature of 100.4 degrees F or higher is generally seen in people with COVID-19, although not everyone who is infected with the virus will develop a fever. Symptoms of COVID-19 may appear 2-14 days after exposure to infection.

  4. Jan 1, 2023 · If you're over 65 or immunocompromised — especially if you may have been exposed to COVID-19 — call your doctor if your fever reaches 101°. Anyone with a fever of 103° or higher should do the same.

    • Toni Golen, MD
    • hhp_info@health.harvard.edu
  5. A fever is a higher-than-normal body temperature, which is not an illness in itself, but a symptom that often occurs when the body is fighting an infection, such as COVID-19. A normal body temperature is generally 98.6°F (37°C), but a person’s normal body temperature may vary throughout the day, with lower temperatures occurring in the ...

  6. Apr 2, 2020 · A fever is technically defined as a body temperature of 100.4° F or higher, according to the Centers for Disease Control and Prevention. This is true for both babies and adults. And a...