The 96.3% market-implied probability of no hantavirus pandemic in 2026 stems primarily from Andes virus transmission dynamics, which require prolonged close contact and yield an effective reproduction number below 1, preventing sustained chains. The contained 2026 MV Hondius cruise ship cluster—limited to 13 cases and three deaths despite international passengers—illustrates this pattern, with WHO declaring the event over by early July after quarantine and monitoring produced no further spread. Official surveillance shows typical annual global cases remain in the thousands, mostly sporadic rodent-to-human spillovers with no evidence of efficient aerosol or pre-symptomatic spread. Realistic scenarios that could shift odds include evolutionary changes enabling broader human transmission or climate-driven rodent surges increasing spillovers, though current virological and epidemiological data indicate these thresholds remain distant.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHantavirus pandemic in 2026?
Hantavirus pandemic in 2026?
4% chance
$17,926,448 Vol.
$17,926,448 Vol.
Dec 30, 2026
4% chance
$17,926,448 Vol.
$17,926,448 Vol.
Dec 30, 2026
This market will resolve to "Yes" if the World Health Organization explicitly characterizes Hantavirus, Hantavirus Pulmonary Syndrome (HPS), Hemorrhagic Fever with Renal Syndrome (HFRS), or a Hantavirus-related outbreak as a "pandemic" in an official public communication between market creation and December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No".
An explicit characterization includes official WHO statements, reports, press briefings, or publications that clearly describe the outbreak as a "pandemic." A Public Health Emergency of International Concern (PHEIC) alone will not qualify unless it is also described as a pandemic.
The primary resolution source for this market will be official WHO communications. A consensus of credible reporting may also be used.The 96.3% market-implied probability of no hantavirus pandemic in 2026 stems primarily from Andes virus transmission dynamics, which require prolonged close contact and yield an effective reproduction number below 1, preventing sustained chains. The contained 2026 MV Hondius cruise ship cluster—limited to 13 cases and three deaths despite international passengers—illustrates this pattern, with WHO declaring the event over by early July after quarantine and monitoring produced no further spread. Official surveillance shows typical annual global cases remain in the thousands, mostly sporadic rodent-to-human spillovers with no evidence of efficient aerosol or pre-symptomatic spread. Realistic scenarios that could shift odds include evolutionary changes enabling broader human transmission or climate-driven rodent surges increasing spillovers, though current virological and epidemiological data indicate these thresholds remain distant.
This market will resolve to "Yes" if the World Health Organization explicitly characterizes Hantavirus, Hantavirus Pulmonary Syndrome (HPS), Hemorrhagic Fever with Renal Syndrome (HFRS), or a Hantavirus-related outbreak as a "pandemic" in an official public communication between market creation and December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No".
An explicit characterization includes official WHO statements, reports, press briefings, or publications that clearly describe the outbreak as a "pandemic." A Public Health Emergency of International Concern (PHEIC) alone will not qualify unless it is also described as a pandemic.
The primary resolution source for this market will be official WHO communications. A consensus of credible reporting may also be used.
An explicit characterization includes official WHO statements, reports, press briefings, or publications that clearly describe the outbreak as a "pandemic." A Public Health Emergency of International Concern (PHEIC) alone will not qualify unless it is also described as a pandemic.
The primary resolution source for this market will be official WHO communications. A consensus of credible reporting may also be used.
Market Opened: May 4, 2026, 10:26 AM ET
Volume
$17,926,448End Date
Dec 31, 2026Market Opened
May 4, 2026, 10:26 AM ETResolver
0x65070BE91...This market will resolve to "Yes" if the World Health Organization explicitly characterizes Hantavirus, Hantavirus Pulmonary Syndrome (HPS), Hemorrhagic Fever with Renal Syndrome (HFRS), or a Hantavirus-related outbreak as a "pandemic" in an official public communication between market creation and December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No".
An explicit characterization includes official WHO statements, reports, press briefings, or publications that clearly describe the outbreak as a "pandemic." A Public Health Emergency of International Concern (PHEIC) alone will not qualify unless it is also described as a pandemic.
The primary resolution source for this market will be official WHO communications. A consensus of credible reporting may also be used.The 96.3% market-implied probability of no hantavirus pandemic in 2026 stems primarily from Andes virus transmission dynamics, which require prolonged close contact and yield an effective reproduction number below 1, preventing sustained chains. The contained 2026 MV Hondius cruise ship cluster—limited to 13 cases and three deaths despite international passengers—illustrates this pattern, with WHO declaring the event over by early July after quarantine and monitoring produced no further spread. Official surveillance shows typical annual global cases remain in the thousands, mostly sporadic rodent-to-human spillovers with no evidence of efficient aerosol or pre-symptomatic spread. Realistic scenarios that could shift odds include evolutionary changes enabling broader human transmission or climate-driven rodent surges increasing spillovers, though current virological and epidemiological data indicate these thresholds remain distant.
This market will resolve to "Yes" if the World Health Organization explicitly characterizes Hantavirus, Hantavirus Pulmonary Syndrome (HPS), Hemorrhagic Fever with Renal Syndrome (HFRS), or a Hantavirus-related outbreak as a "pandemic" in an official public communication between market creation and December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No".
An explicit characterization includes official WHO statements, reports, press briefings, or publications that clearly describe the outbreak as a "pandemic." A Public Health Emergency of International Concern (PHEIC) alone will not qualify unless it is also described as a pandemic.
The primary resolution source for this market will be official WHO communications. A consensus of credible reporting may also be used.
An explicit characterization includes official WHO statements, reports, press briefings, or publications that clearly describe the outbreak as a "pandemic." A Public Health Emergency of International Concern (PHEIC) alone will not qualify unless it is also described as a pandemic.
The primary resolution source for this market will be official WHO communications. A consensus of credible reporting may also be used.
Volume
$17,926,448End Date
Dec 31, 2026Market Opened
May 4, 2026, 10:26 AM ETResolver
0x65070BE91...The 96.3% market-implied probability of no hantavirus pandemic in 2026 stems primarily from Andes virus transmission dynamics, which require prolonged close contact and yield an effective reproduction number below 1, preventing sustained chains. The contained 2026 MV Hondius cruise ship cluster—limited to 13 cases and three deaths despite international passengers—illustrates this pattern, with WHO declaring the event over by early July after quarantine and monitoring produced no further spread. Official surveillance shows typical annual global cases remain in the thousands, mostly sporadic rodent-to-human spillovers with no evidence of efficient aerosol or pre-symptomatic spread. Realistic scenarios that could shift odds include evolutionary changes enabling broader human transmission or climate-driven rodent surges increasing spillovers, though current virological and epidemiological data indicate these thresholds remain distant.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
Beware of external links.
Beware of external links.
Frequently Asked Questions