New COVID Variant NB.1.8.1 Detected in the U.S.
The Centers for Disease Control and Prevention (CDC) has confirmed the presence of the new COVID-19 variant NB.1.8.1 in several locations across the United States. The variant, which has been linked to a recent surge in cases in China, was first identified in the U.S. in late March and early April through a screening program at airports for international travelers.
A spokesperson for the CDC stated, “CDC is aware of reported cases of COVID-19 NB.1.8.1 in China and is in regular contact with international partners.” Currently, there are not enough reported sequences of this variant in the U.S. for it to be included in the agency’s variant estimates dashboard, although authorities are monitoring the situation closely.
Symptoms Associated with NB.1.8.1
Experts suggest that the symptoms of NB.1.8.1 are largely similar to those associated with previous strains of COVID-19. Dr. Subhash Verma, a professor at the University of Nevada, Reno School of Medicine, explains that commonly reported symptoms include:
- Respiratory issues such as cough and sore throat
- Systemic effects like fever and fatigue
Despite its rapid spread, initial data indicate that the NB.1.8.1 variant does not result in more severe illness compared to earlier variants. “It appears to be more transmissible,” Dr. Verma notes, highlighting the variant’s potential for rapid proliferation.
Concerns About the Variant’s Severity
Authorities in areas like Hong Kong have observed increases in hospitalizations linked to this variant. However, Dr. Amy Edwards, an assistant professor at Case Western Reserve University, cautions that these upticks appear to correspond more with typical seasonal trends than with the variant’s severity. She advises:
“What they’re experiencing seems to be more about a standard summer surge. The available data on this variant remains preliminary and does not suggest that it leads to particularly severe infections.”
Upcoming Changes to COVID-19 Booster Shots
As the NB.1.8.1 variant emerges, the Trump administration has announced new restrictions regarding access to booster vaccines. Last week, the Food and Drug Administration (FDA) revealed a plan to limit updated vaccine approvals primarily to seniors and individuals with underlying health conditions—including those who are pregnant or have diabetes.
Dr. Verma expressed concerns regarding this policy shift, stating, “The administration’s decision creates hurdles for broader vaccination coverage. Although over 100 million Americans might still qualify, new clinical trial requirements could delay access for at-risk groups, potentially leading to decreased vaccination rates as people face confusion over eligibility.”
Public Health Implications
Dr. Edwards stated that the criteria for qualifying conditions remain ambiguous. “Some of the language around pre-existing conditions is pretty loose,” she noted, alluding to uncertainty regarding who can receive the updated vaccine and the variants it will protect against.
The latest vaccine framework has been implemented under the guidance of the FDA’s new leadership, with Health and Human Services Secretary Robert F. Kennedy Jr. expressing skepticism around vaccines. Dr. Céline Gounder, a CBS News medical contributor, pointed out the irony in Secretary Kennedy’s claim that people would not lose access to vaccines, stating, “In reality, people are going to lose access.”
Preventing COVID-19 Infection
With vaccine access remaining uncertain, Dr. Edwards emphasizes that individuals can still engage in preventive measures:
- Practice good hygiene, such as regular handwashing
- Use masks when feeling unwell to prevent spreading illness
- Stay home if sick
Authorities in regions experiencing rising case numbers have started recommending mask use in crowded places to minimize transmission. “Masks remain effective in preventing the spread of respiratory viruses,” Dr. Edwards noted, highlighting their importance even during minor illnesses.
Summary of Current COVID-19 Variant and Booster Information
| Variant | Symptoms | Severity | Booster Eligibility |
|---|---|---|---|
| NB.1.8.1 | Cough, sore throat, fever, fatigue | No increased severity | Seniors, those with underlying conditions |
Stay informed on COVID-19 and the ongoing developments around variants and vaccines to protect yourself and others effectively.
