Dec 9, 2025 – South Korea reports its eighth highly pathogenic avian influenza (HPAI) case at a duck farm in Yeongam, the season’s first duck‑farm outbreak, and issues a nationwide 24‑hour standstill on all duck farms and related vehicles to curb spread[27].

Dec 10, 2025 – South Korea confirms two additional HPAI infections at a layer chicken farm in Cheonan and a farm in Anseong, raising the seasonal total to ten, and an agriculture ministry official urges farms to “strengthen quarantine measures”[26].

Dec 15, 2025 – The 11th HPAI case emerges at a broiler breeder farm in Namwon; authorities deploy a response team, cordon the site, begin culling, and impose a 24‑hour movement ban on nearby counties Gurye, Gokseong, Hadong and Hamyang[25].

Dec 17, 2025 – Two new HPAI cases appear at layer farms in Goesan and Cheonan, bringing the count to 14; Cheonan’s farm records its fourth case since 2020, prompting special quarantine inspections and nationwide laying‑hen farm checks through year‑end[24].

Dec 17, 2025 – Indian researchers use the BharatSim platform to model H5N1 spillover in a synthetic Namakkal village, finding that quarantining households after 2 cases can almost certainly contain an outbreak, while 10 cases likely require harsher measures such as lockdowns[1].

Dec 21, 2025 – South Korea confirms its 16th HPAI case at a duck farm in Naju (≈23 000 ducks) and announces intensive inspections of more than 200 duck farms across South Jeolla to assess transmission risk[23].

Dec 22, 2025 – A highly pathogenic H5N1 case surfaces at a quail farm in Jincheon, raising the seasonal total to 17; authorities launch special quarantine inspections and plan nationwide laying‑hen farm inspections through the end of the year[22].

Dec 23, 2025 – Kerala’s Alappuzha and Kottayam districts confirm H5N1 in eight panchayats and four villages; officials order culling within a 1‑km radius of each site and a 10‑km movement ban ahead of the Christmas‑New Year demand surge[3].

Dec 24, 2025 – Three new HPAI infections are detected at farms in Anseong (chicken), Gochang (duck) and Naju (duck), pushing the Korean tally to 21; entry restrictions, culling, and a temporary standstill are imposed, and inspection teams are dispatched to over 200 duck farms in South Jeolla[21].

Dec 24, 2025 – The Kerala outbreak kills ~55 000 birds across Alappuzha and Kottayam, slashing Kuttanad duck production from 10‑15 lakh to ~3 lakh annually and prompting culling of an additional 25 000 birds later that week[2].

Dec 27, 2025 – A new HPAI case is confirmed at an Asan chicken farm (≈21 000 birds), raising the Korean total to 23; authorities restrict entry, begin culling, and issue a temporary standstill for nearby facilities[20].

Dec 27, 2025 – Two further HPAI detections (Yeongam chicken farm and a second Asan case) lift the seasonal count to 24, with continued entry bans, culling and standstill orders across the affected southern provinces[19].

Dec 29, 2025 – Additional HPAI cases appear at a duck farm in Eumseong and a chicken farm in Naju, bringing the national total to 26; authorities enforce farm access restrictions, culling and vehicle standstill measures[18].

Jan 5, 2026 – South Korea rolls out special quarantine measures for the next two weeks, dispatching inspectors to 539 layer farms (≥50 000 hens each), intensifying road disinfection near migratory‑bird habitats, and noting the first multi‑strain winter (H5N1, H5N6, H5N9) with H5N1 “at least 10 times more infectious than in prior years”[16][17].

Jan 6, 2026 – The U.S. APHIS reports roughly 76 210 birds infected with highly pathogenic avian influenza in the first six days of 2026, adding to about 880 000 cases in the prior 30 days and underscoring the scale of the ongoing North American outbreak[4].

Jan 6, 2026 – South Korea confirms its 33rd HPAI case at a quail farm in Okcheon (≈500 000 birds), the first such case there since 2016, and imposes a 24‑hour standstill on chicken and quail operations in North Chungcheong and neighboring areas[15].

Jan 9, 2026 – A new HPAI case is identified at a duck farm in Naju (≈27 000 ducks), raising the Korean total to 34; authorities restrict access, commence culling, and launch intensive inspections of breeder duck farms and hatcheries nationwide[14].

Jan 20, 2026 – A duck farm in Gokseong (≈27 000 ducks) tests positive for HPAI, bringing the season’s tally to 37; containment expands to 21 farms within a 10‑km zone and 60 affiliated duck farms receive intensive disease‑control checks[12].

Jan 31, 2026 – South Korea confirms its first foot‑and‑mouth disease (FMD) case in nine months at an Incheon cattle farm, plans to cull 246 cattle, imposes a 48‑hour standstill in Incheon and Gyeonggi, and schedules emergency vaccination and testing of 92 000 animals through Feb 8[9].

Feb 17, 2026 – The 44th HPAI case surfaces at a Pocheon chicken farm (≈380 000 birds), the first in the city since 2021; authorities seal the site, begin culling, and extend a twice‑daily intensive disinfection program at migratory‑bird habitats, farms and vehicles until the end of February[8].

Feb 20, 2026 – A second FMD outbreak is confirmed at a Goyang beef‑cattle farm; officials cull 133 cows, enforce a 24‑hour standstill on nearby farms and vehicles, and plan emergency vaccination and testing of roughly 200 000 animals across 1 092 farms[7].

Feb 23, 2026 – South Korea records its 20th African swine fever (ASF) case at a Euiryeong pig farm; the government orders culling of all pigs on the site, imposes a 48‑hour standstill on pig operations, and the Ministry of Agriculture warns that “as African swine fever is spreading to areas previously considered safe, the current situation is more serious than ever”[6][10].