: The move from highly fatal variants like Delta to more transmissible but generally less severe lineages like Omicron and its descendants (e.g., JN.1) significantly lowered the case-fatality rate.
: Mortality patterns have largely returned to a predictable cycle, with peaks occurring during summer and winter months. 2. The Role of Immunity and Evolution What Changing Death Rates Tell Us About COVID-19
: Death rates remain sharply concentrated among the elderly. Approximately 84% of COVID-19 deaths projected for 2025–2026 occur in individuals aged 65 and older. : The move from highly fatal variants like
In April 2026, changing COVID-19 death rates signify the virus's transition from a primary crisis to a persistent but manageable public health challenge. While total deaths have plummeted from their 2021 peak, current trends offer deep insights into population immunity, evolving viral severity, and long-standing societal vulnerabilities. The Role of Immunity and Evolution : Death