This prediction market asks whether the World Health Organization will declare a new coronavirus pandemic, distinct from COVID-19, by the end of 2026. The resolution depends entirely on an official WHO declaration, making the organization's monitoring and classification systems central to the outcome. The question reflects ongoing scientific concern about the potential for another coronavirus to jump from animals to humans and cause widespread disease, a phenomenon known as zoonotic spillover. Coronaviruses are a large family of viruses, several of which have caused significant human outbreaks in the 21st century, including SARS in 2002-2003, MERS in 2012, and SARS-CoV-2 in 2019. Interest in this market stems from the profound global impact of the COVID-19 pandemic, which has heightened public and institutional awareness of pandemic risks. Governments, public health agencies, and research institutions are now more actively surveilling novel pathogens and assessing pandemic preparedness. The market essentially functions as a collective assessment of the probability of another major coronavirus emergence within a specific three-year window, based on virological trends, surveillance capabilities, and the known behavior of this virus family.

Historical Context

The 21st century has witnessed three major coronavirus outbreaks prior to COVID-19. The first was Severe Acute Respiratory Syndrome (SARS), caused by SARS-CoV-1. It emerged in Guangdong, China, in November 2002 and was contained by July 2003 after spreading to 29 countries, causing over 8,000 cases and 774 deaths. The outbreak led to major revisions in global health security, resulting in the updated International Health Regulations (2005). Nearly a decade later, Middle East Respiratory Syndrome (MERS), caused by MERS-CoV, was first identified in Saudi Arabia in 2012. Unlike SARS, MERS established a persistent zoonotic reservoir in dromedary camels, leading to recurring outbreaks, primarily in the Arabian Peninsula, with a case fatality rate of approximately 35%. These events demonstrated the pandemic potential of coronaviruses. The COVID-19 pandemic, caused by SARS-CoV-2, began in late 2019 and was declared a PHEIC on January 30, 2020, and a pandemic on March 11, 2020. It resulted in an estimated 7 million reported deaths globally as of 2024 and triggered the most significant societal and economic disruption since World War II. This history establishes a clear pattern of novel coronavirus emergence every 8-10 years, informing the rationale for a prediction market focused on the 2024-2026 period.

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