
A study of 193,260 individuals found overlapping tick-borne antibody levels more frequently among those with Lyme antibodies, highlighting diagnostic challenges when active coinfections are not confirmed.
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.







