{"source":"kalshi","id":"KXVACCINEREC-27","ticker":"KXVACCINEREC-27","slug":"KXVACCINEREC-27","title":"Which vaccines will the CDC no longer recommend in 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vaccine?","group_item_title":"Hepatitis B","description":"If the CDC ends its recommendation completely for the Hepatitis B vaccine before Jan 1, 2027, then the market resolves to Yes.\n\n---\n\nMerely reducing the categories of persons that it recommends the vaccine for, without reducing those categories to zero, is not encompassed by the Payout Criterion.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.12,0.88],"probability":0.12,"spread":0.078,"active":true,"closed":false,"start_date":"2026-01-27T01:00:00Z","end_date":"2027-01-01T15:00:00Z","closed_time":"2027-01-01T15:00:00Z","volume":1253.98,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":15.847184181213379,"liquidity":null,"categories":["Politics"],"countries":["United 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vaccine?","group_item_title":"Rotavirus","description":"If the CDC ends its recommendation completely for the Rotavirus vaccine before Jan 1, 2027, then the market resolves to Yes.\n\n---\n\nMerely reducing the categories of persons that it recommends the vaccine for, without reducing those categories to zero, is not encompassed by the Payout Criterion.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.021,0.979],"probability":0.021,"spread":0.047,"active":true,"closed":false,"start_date":"2026-01-27T01:00:00Z","end_date":"2027-01-01T15:00:00Z","closed_time":"2027-01-01T15:00:00Z","volume":243.01,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":9.40727710723877,"liquidity":null,"categories":["Politics"],"countries":["United 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