New COVID-19
What Is NB.1.8.1 and Where Did It Come From?
A new version of the COVID-19 virus, called NB.1.8.1, has recently appeared. It comes from the Omicron family and was first spotted in China and parts of Asia earlier this year.
The World Health Organization (WHO) is now keeping an eye on it because it spreads quickly and might escape some of the protection we’ve built through past infections and vaccines.
Recent signs like more positive COVID tests, wastewater data, and hospital visits show a rise in cases, especially in Asia during May 2025. Health experts say this variant could lead to a summer wave of infections.

How Contagious and Risky Is NB.1.8.1?
- It spreads fast: According to health experts like Bruno Lina and Antoine Flahault, this variant can multiply quickly in the body and may be more contagious than older versions.
- Not more dangerous: hospital stays, and deaths. So far, it doesn’t seem to cause more serious illness than earlier Omicron types. That’s a good sign.
- Vaccines still help: The current COVID-19 vaccines are still working well, especially in preventing severe illness, it just a virus, then spread always anywhere. hospital stays, and deaths.
What’s Happening in Europe?
By May 2025, this variant had been found in:
- France (with 4 cases by mid-May)
- Germany, Netherlands, Spain, and Sweden
Right now, there aren’t many cases, but doctors and scientists think it could spread more during the summer. In France, the Académie de Médecine is already warning people to stay alert.
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Will It Ruin Our Summer?
It’s normal to be worried about COVID during summer travel. But the good news is:
- A rise in cases is possible, but it won’t be as bad as the big winter surges from past years.
- France is better prepared than before:
- Most people are vaccinated or boosted
- Hospitals have more equipment
- Plans are in place if things get worse
The only downside? Fewer people are getting tested now because COVID tests aren’t free anymore. That makes it harder to know how fast the virus is spreading.
What Should You Do?
The Académie de Médecine recommends:
- If you’re over 65 or have health problems, get your spring COVID booster—it’s available until July 2025.
- Keep using simple protective steps:
- Wear a mask in busy places
- Wash or sanitize your hands often
- Open windows to keep fresh air flowing
- Feeling sick? If you’re tired, have a sore throat, fever, or cough:
- Get tested
- Talk to your doctor especially if you’re in a high-risk group
Quick To-Do List
- Over 65? Immunocompromised? → Book your booster shot now.
- Traveling this summer? → Use basic COVID precautions.
- Not sure what’s happening? → Follow local health news and government advice.

Final Thoughts
The NB.1.8.1 variant is something to watch, but it’s not a reason to panic. take vaccinated by doctor or near medical store. By staying smart getting vaccinated, keeping good hygiene, and taking care of yourself you can enjoy summer 2025 safely. Let’s stay aware, not afraid.