Health

Unmasking the NB.1.8.1 COVID Variant: 4 Shocking Symptoms You Can’t Afford to Overlook!

2025-06-29

Author: Jia

The Alarming Rise of Variant NB.1.8.1

A new COVID-19 variant, dubbed NB.1.8.1 or "Nimbus," is sweeping across the globe with startling symptoms that have experts on alert. While the World Health Organization and the CDC assure that most people won’t suffer severe illness, the rapid transmission rates raise significant concerns. In addition to the usual fatigue and fever, this variant is showing some bizarre symptoms that are taking many by surprise.

4 Surprising Symptoms of the "Nimbus" Variant

Here are four eye-opening symptoms linked to the NB.1.8.1 strain that everyone should keep an eye out for!

1. A Razor-Sharp Sore Throat

Forget the usual sore throat; this variant brings an intense, painful experience described by some as "like swallowing glass" or "like swallowing razor blades." Doctors note that this variant attaches firmly to throat cells, leading to rapid replication and an especially painful throat, often accompanied by a low-grade fever.

2. Sudden Loss of Appetite

One of the more surprising symptoms is a marked decrease in appetite, occurring even in the absence of nausea or digestive issues. Unlike in earlier COVID strains, this can be a clue to infection early on, possibly linked to inflammation in the hypothalamus, the hunger-regulating part of the brain. This loss of appetite may significantly decrease energy levels and contribute to muscle soreness.

3. Unusual Muscle Aches

While muscle aches are familiar to COVID-19, the NB.1.8.1 variant brings discomfort to unexpected areas, such as the jaw, upper back, and behind the ears. These pains signal the immune system's response to the virus and may indicate localized inflammation, a subtle early sign that your body is combating an infection.

4. Stubborn Nasal Congestion

If you’re experiencing persistent and irritating nasal blockage, it’s another symptom to watch out for. Many report that this congestion is more severe than typical cold symptoms and can last for over a week, often not responding to standard remedies. This constant blockage increases the risk of transmission through frequent sneezing and coughing, making it crucial to recognize as a warning sign.

Stay Alert and Informed!

As the NB.1.8.1 variant spreads, it's more important than ever to be vigilant about your health. Stay informed about these unusual symptoms to protect yourself and others in your community. Don't let this variant catch you off guard!