Real-Time Variant Surveillance•Updated Daily
Latest COVID-19 Variants
Real-time surveillance data on current COVID-19 variants, emergence patterns, and global distribution with the latest genomic analysis.
Last updated: June 22, 2025 • Data refreshed daily
Currently Circulating Variants
NB.1.8.1
Variant of Interest34.2%
Global Prevalence
increasing
Trend
April 2025
First Detected
3
Regions
Key Characteristics:
- Enhanced transmissibility
- Moderate immune evasion
- Similar severity to previous variants
- Good vaccine effectiveness maintained
Geographic Distribution:
North AmericaEuropeAsia-Pacific
KP.3.1.1
Variant under Monitoring28.7%
Global Prevalence
stable
Trend
March 2025
First Detected
1
Regions
Key Characteristics:
- Steady transmission rates
- Known immune profile
- Established clinical patterns
- Predictable vaccine response
Geographic Distribution:
Global circulation
XEC Recombinant
Variant of Interest19.5%
Global Prevalence
increasing
Trend
May 2025
First Detected
3
Regions
Key Characteristics:
- Recombinant variant
- Enhanced binding affinity
- Moderate severity profile
- Under active monitoring
Geographic Distribution:
EuropeAfricaSouth America
LP.8.1
Variant under Monitoring12.1%
Global Prevalence
decreasing
Trend
February 2025
First Detected
2
Regions
Key Characteristics:
- Declining prevalence
- Well-characterized profile
- Stable clinical outcomes
- Effective vaccine coverage
Geographic Distribution:
Asia-PacificNorth America
Global Surveillance Metrics
18.3%
Global Sequencing Rate
Percentage of positive samples sequenced globally
Target: 20%
14 days
Variant Detection Time
Average time from emergence to classification
Target: 10 days
147
Countries Reporting
Number of countries with active surveillance
Target: 150+
45,000
Weekly Sequences
New genome sequences analyzed weekly
Target: 50,000
Emerging Concerns & Monitoring
Recombinant Variants on the Rise
Increased detection of recombinant variants showing novel mutation combinations
Key Implications:
- May require updated vaccine formulations
- Enhanced surveillance protocols activated
- Continued monitoring of immune escape
- International coordination strengthened
Regional Variant Distribution Patterns
Distinct variant circulation patterns emerging in different geographic regions
Key Implications:
- Tailored public health responses needed
- Travel-related transmission tracking
- Regional vaccine effectiveness studies
- Enhanced cross-border surveillance
Weekly Surveillance Highlights
June 16-22, 2025
- NB.1.8.1 continues expansion in multiple regions
- XEC recombinant variant identified in 12 new countries
- No significant changes in hospitalization rates
- Vaccine effectiveness remains stable across variants
June 9-15, 2025
- Global sequencing rate reached 18.3% target
- LP.8.1 showing continued decline in prevalence
- Enhanced surveillance protocols implemented
- New mutation tracking systems deployed