Currently, the CDC maintains no Level 4 Travel Health Notices, the highest tier reserved for destinations with extreme health risks where no effective precautions exist. Recent outbreaks, including a May 2026 multi-country hantavirus cluster linked to cruise travel, prompted only a Level 3 emergency operations activation with limited public risk, while suspected Ebola cases in the DRC triggered entry restrictions but no Level 4 classification. Official surveillance data through mid-2026 show no novel pathogen meeting the criteria of widespread, unpreventable severe threat across regions. Traders assign 75% probability to “No” because baseline epidemiological indicators and agency monitoring thresholds have not shifted toward escalation in the six months remaining.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedCDC issues Level 4 warning by December 31?
$71,871 Vol.
$71,871 Vol.
$71,871 Vol.
$71,871 Vol.
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.
Market Opened: Jan 19, 2026, 3:15 PM ET
Resolver
0x65070BE91...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.
Resolver
0x65070BE91...Currently, the CDC maintains no Level 4 Travel Health Notices, the highest tier reserved for destinations with extreme health risks where no effective precautions exist. Recent outbreaks, including a May 2026 multi-country hantavirus cluster linked to cruise travel, prompted only a Level 3 emergency operations activation with limited public risk, while suspected Ebola cases in the DRC triggered entry restrictions but no Level 4 classification. Official surveillance data through mid-2026 show no novel pathogen meeting the criteria of widespread, unpreventable severe threat across regions. Traders assign 75% probability to “No” because baseline epidemiological indicators and agency monitoring thresholds have not shifted toward escalation in the six months remaining.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated



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