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.

Hantavirus pandemic in 2026?

This market will resolve to "Yes" if there have been the specified amount or more confirmed cases of Measles (Rubeola) in humans in the territory of the United States of America in 2026, according to the CDC case counter by July 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No".

The resolution source for this market will be the CDC Measles (Rubeola) counter 'Total Cases' in 2026 (see: https://www.cdc.gov/measles/data-research/index.html) at the resolution time. If the counter becomes unavailable, another credible source will be used.

Note: Only cases reported by the CDC Measles (Rubeola) counter will qualify, regardless of reports from U.S. State agencies or other sources.

2300

2350

2400

measles

Measles cases in U.S. by July 31?

This market will resolve to “Yes” if the World Health Organization explicitly characterizes Ebola virus disease, Ebola, any Ebola strain, or any outbreak of ebola 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.

Ebola pandemic in 2026?

This market will resolve to "Yes" if the World Health Organization (WHO) declares any disease a pandemic between January 1, 2026 and December 31, 2026 11:59 PM ET. Otherwise, this market will resolve to "No".

The resolution source will be official announcements from the World Health Organization.

New Pandemic

New pandemic in 2026?

This market will resolve to "Yes" if there have been the specified amount or more confirmed cases of Measles (Rubeola) in humans in the territory of the United States of America in 2026 according to the CDC case counter between January 1, 2026, 12:00 AM ET and December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No".

The resolution source for this market will be the CDC Measles (Rubeola) counter (see: https://www.cdc.gov/measles/data-research/index.html) at the resolution time. If the counter becomes unavailable, another credible source will be used.

Note: Only cases reported by the CDC Measles (Rubeola) counter will qualify, regardless of reports from U.S. State agencies or other sources.

↑3k

↑3.5k

↑4k

Measles cases in U.S. in 2026?

This market will resolve to "Yes" if there have been the specified amount or more confirmed domestically acquired cases of cyclosporiasis in humans in the territory of the United States of America since May 1, 2026, according to the CDC surveillance count by July 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No".

The resolution source for this market will be the CDC Surveillance of Cyclosporiasis page’s “U.S. cases reported to CDC” count (see: https://www.cdc.gov/cyclosporiasis/php/surveillance/index.html) at the resolution time. If the counter becomes unavailable, another credible source will be used.

Note: Only cases reported by the CDC as confirmed domestically acquired cases of cyclosporiasis will qualify, regardless of reports from U.S. State agencies or other sources. Travel-associated cases acquired outside the United States will not qualify.

1800+

2000+

2500+

Cyclosporiasis cases in U.S. by July 31?

This market will resolve to "Yes" if there is a confirmed case of Ebola in the territory of the specified country reported between market creation and December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No".

Any active laboratory-confirmed, or otherwise officially confirmed, Ebola infection identified within the territory of the specified country will qualify, regardless of where exposure, symptom onset, or testing occurred.

The primary resolution sources for this market will be official information from the relevant national and international health authorities; however, an overwhelming consensus of credible reporting will also suffice.


South Sudan

Kenya

Ethiopia

Which countries will have an Ebola case in 2026?

This market will resolve according to the cumulative influenza-associated hospitalization rate per 100,000 population for the United States, as reported for the specified week.

If the recorded data falls exactly between two brackets, this market will resolve to the higher bracket.

The resolution source for this market will be CDC FluView / FluSurv-NET (see: https://www.cdc.gov/fluview/index.html). If the FluSurv-NET hospitalization rate for the specified week is not released by 11:59 PM ET on the tenth calendar day following the date of the prior FluView weekly report release, this market will resolve to the lowest bracket.

Note: Only the CDC FluSurv-NET cumulative hospitalization rate per 100,000 population for the specified week will qualify, regardless of estimates, projections, state-level reports, or other influenza surveillance metrics published by the CDC or other sources.

86–89

83–86

Flu Hospitalization Rate Week

Flu Hospitalization Rate Week 27, 2026?

This market will resolve to "Yes" if the World Health Organization (WHO) declares a new COVID pandemic other than COVID-19 (SARS-CoV-2) between market creation and December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No".

The resolution source will be official announcements from the World Health Organization.

New Coronavirus Pandemic

New Coronavirus Pandemic in 2026?

This market will resolve to "Yes" if the CDC issues a Level 4 (“Avoid All Travel”) Travel Health Notice for any disease by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No".

A Level 4 notice listed for any amount of time during this market’s timeframe will suffice for a "Yes" resolution. 

The primary resolution source for this market will be the CDC’s official Travel Health Notices page (https://wwwnc.cdc.gov/travel/notices); however, a consensus of credible reporting will also be used.

Level 4 warning

CDC issues Level 4 warning by December 31?

This market will resolve to "Yes" if any vaccine intended for humans and inoculating against Hantavirus (including Hantavirus Pulmonary Syndrome (HPS) or Hemorrhagic Fever with Renal Syndrome (HFRS)) receives full approval from the U.S. Food and Drug Administration between market creation and December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No".

The primary resolution source for this market will be official information from the FDA, including its list of approved vaccines (https://www.fda.gov/vaccines-blood-biologics/vaccines/vaccines-licensed-use-united-states), however a consensus of credible reporting may also be used.

Hantavirus vaccine in 2026? 

This market will resolve to “Yes” if either the United States federal government formally declares a national emergency, an extraordinary emergency, or uses another emergency authority to declare a national crisis in response to a screwworm (Cochliomyia hominivorax) outbreak in U.S. livestock by the specified date at 11:59 PM ET. Otherwise, this market will resolve to “No”. 

Statements, speeches, social media posts, draft orders, executive orders that do not formally declare an emergency will not qualify.

Renewals or extensions of previously existing national emergencies will not qualify unless the text is materially modified to explicitly relate to screwworm. 

The primary resolution source will be the Federal Register and official publications of the White House, Department of Agriculture, Secretary of Agriculture, or other federal departments or agencies, however a consensus of credible reporting may also be used.

August 30

December 31

October 31

Screwworm National Emergency declared by...?

This market will resolve to "Yes" if the CDC identifies a new COVID variant of concern between December 1, 2025, and December 31, 2026, 11:59PM ET. Otherwise this market will resolve to "No".

The CDC's variant classification scheme can be found here: https://stacks.cdc.gov/view/cdc/107682.

The resolution source for this market will be official information from the CDC.

Pandemics