Why All This Viral Activity?
The unusually aggressive spike in viral activity in 2025 can be blamed on the immunity gap as well as a few new strains.
This segment unpacks the convergence of several viruses in early 2025. Learn about the “immunity gap” created by years of COVID-19 precautions and how it set the stage for widespread infection as public health measures eased. Disrupted viral seasonality and new strains contributed to the 2024–2025 unusually intense respiratory season.
