Omicron BA.5 Variant
Comprehensive medical information about the Omicron BA.5 COVID-19 variant, including symptoms, transmission characteristics, and protection strategies.
Transmissibility
4-5x more transmissible than original strain
Severity
Generally milder than Delta variant
Immune Evasion
Can partially evade vaccine immunity
Vaccine Effectiveness
70-85% protection against severe illness
Common Symptoms
Most frequently reported symptoms for Omicron BA.5
Protection Strategies
Evidence-based measures to protect against Omicron BA.5
Vaccination + Boosters
85% effectiveUpdated vaccines provide strong protection against severe illness
N95/KN95 Masks
95% effectiveHigh-quality masks significantly reduce transmission risk
Physical Distancing
70% effectiveMaintaining 6+ feet distance reduces exposure risk
Good Ventilation
60% effectiveImproved airflow reduces airborne transmission
Clinical Characteristics
Incubation Period
Shorter than previous variants
Infectious Period
Peak infectiousness 1-2 days before symptoms
Hospitalization Rate
Lower than Delta (4.1%)
Reinfection Risk
Higher than previous variants
Medical Disclaimer
This information is for educational purposes only and does not constitute medical advice. Always consult with healthcare professionals for personalized medical guidance. If you experience severe symptoms, seek immediate medical attention.