In Japan, 30% of bird flu cases this winter are at sites where there was a previous infection

 

Headline:  The Japan Times, 4/3/2026

Ryu Okamoto reports:

Cases of highly pathogenic avian influenza have been confirmed at poultry farms and other locations in Japan for six consecutive winter seasons since 2020, and more than 30% of outbreaks detected this winter occurred at sites that have had infections before. [emphasis added]

The Agriculture, Forestry and Fisheries Ministry has started considering vaccinating birds as a sweeping measure to deal with the problem, but there are many obstacles to implementing such a plan. 

One executive at a company that operates a poultry farm in northern Japan was baffled after an outbreak of bird flu was detected at the facility in autumn 2025. “We’d implemented all sorts of measures to prevent such a

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April 1-5

2 bird flu cases in South Dakota and 1 in Indiana bring U.S. 2022-2026 tally to 1,001 flocks.  (4/4/)

Preparedness, not luck, is the proper bird flu strategy.  (4/3)

Scotland bird flu news:  Bass Rock gannet population falls by almost a third since bird flu outbreak. (4/3)

Bird flu detected in sea lion in Morro Bay California.  (4/3)

First bird flu and now a war in Iran, poultry producers face a double whammy.  (4/3)

Raising poultry is a treacherous business nowadays.  (4/1)

Germany and Poland report multiple cases of Newcastle disease in poultry.  (4/1)

Wisconsin bird flu news:  Depopulation of chickens leads to layoffs at two Daybreak Foods facilities.  (4/1)  

Lancaster County Pennsylvania reports yet another case of bird flu. (4/1

March 26-31:

Indiana continues to be ground zero for bird flu outbreaks.  (3/31)

South Korea has reported 60 cases of bird flu so far in 2026.  (3/31)

Bird flu re-emerges in Nepal .  (3/31)

Mapping bird flu's worldwide hotspots.  (3/30)

University of Michigan joins research on infectivity of bird flu in the air.  (3/28)

Moving toward acceptance of new bird flu reality.  (3/28)

Connecticut reports dead geese from bird flu all over the state.  (3/27)

Bird flu in New Jersey impacts number of live eagles nests.  (3/27)

Since 2022 Pennsylvania has tallied 480 cases of bird flu affecting 16,000,000 domesticated birds.  (3/27)

In one day, Indiana boosts its year-to-date tally of bird flu cases to 32.  (3/27)

Indiana boosts its year-to-date tally of bird flu cases to 29.  (3/26)

March 21-25:

Skagit County Washington reports its first case of bird flu.  (3/25)

Jefferson County Wisconsin experiences residual effect of bird flu:  Thousands of gallons of spilled wastewater.  (3/24)

And the bird flu hits just keep on comin' in Indiana this month.  (3/25)

West Virginia reports case of bird flu in backyard chickens.  (3/24)

Indiana reports two more cases of bird flu bringing its tally to 26 so far this year.  (3/24)

Danger, Will Robinson!!  It's spring migration time and bird flu is raging.  (3/23)

Bird flu ravages marine mammals, raising alarm around the world.  (3/23)

Three more cases of bird flu reported in Indiana.  (3/23)

Crash leaves dead ducks from bird flu looking like road kill in Indiana.  (3/21)

March 16-20:

Spring migration ramps up the likelihood of widespread bird flu outbreaks.  (3/20)

Northeast Indiana continues to be hot spot for bird flu.  (3/20)

Bird flu wipes out 850,000 egg-laying hens in Lancaster County, Pennsylvania.  (3/20)

Pennsylvania reports 28th case of bird flu so far this season.  (3/19)

Bird flu carnage continues at Ano Nuevo State Park in California.  (3/18)

Circulation of avian flu in wild birds endangers Europe's commercial poultry flocks.  (3/18)

Sounds like Wisconsin Republicans want to sell public lands to CAFOs to bury millions of chickens infected with bird flu.  (3/17)

New cases of bird flu reported in Maryland, Michigan and Indiana.  (3/17)

March 11-15, 2025

Wisconsin bird flu update:  3 million dead chickens composting in your neighborhood is not a pleasant experience.  (3/15)

Bird flu outbreak on California coast has spread from elephant seals to other marine mammals.  (3/14)

Wisconsin puts poultry shows and exhibitions on hold in 20 southern counties due to recent bird flu outbreak.  (3/14)

Indiana reports four more cases of bird flu.  (3/13)

Geese go to New Jersey and die of bird flu.  (3/11)

March 6-10, 2026.  

Argentina reports cases of bird flu in commercial and backyard flocks.  (3/10)

More bird flu cases in Illinois and Pennsylvania.  (3/10)

Bird flu hit another turkey farm in Illinois.  (3/9)

3.1 million chickens zapped by bird flu at two CAFOs in southeast Wisconsin.  (3/6)

Center for Infectious Disease Research  Policy Research (CIDRAP) at University of Minnesota bird flu dashboard.  (3/6)

Bird flu on the rise in Utah.  (3/6)

23,000 pheasants depopulated in United Kingdom as result of bird flu outbreak.  (3/6)

Iowa reports 4 cases of bird flu in backyard flocks in 2 weeks.  (3/6)

Illinois reports first case of bird flu since March 2025.  (3/6)

March 1-5, 2026

Backyard case of bird flu reported in Dane County Wisconsin.  (3/5)

More dead geese from bird flu in New Jersey.  (3/5)

Iowa reports 5th and 6th cases of bird flu in 2026.  (3/5)

Bird flu cases reported in North Carolina.  (3/4)

Indiscriminate scavenging puts black vultures at risk of bird flu.  (3/3)

Delaware reports second case of bird flu in Kent County.  (3/3)

Two cases of bird flu reported in LaGrange County Indiana.  (3/3)

Bird flu outbreak reported in Daviess County Indiana.  (3/2)

Bird flu wipes out wild birds in New Jersey. (3/2)

Bird flu wiping out geese in the Hamptons on Long Island.  (3/2)

Lancaster County Pennsylvania is ground zero for this winter's bird flu outbreaks.  (3/1)

February 20-28,2026

South Korea gets the lede in article about bird flu cases in Asia.  (2/28)

Bird flu knocks California seal watching tours off the schedule.  (2/28)

Bird flu most likely cause of death of 101 vultures in Florida state park.  (2/27)

Outbreak of bird flu in California threatens thousands of elephant seals.  (2/27)

Bird flu cases reported in Pennsylvania, South Dakota, and Kansas.  (2/27)

Maryland reports 3rd case of bird flu in 2026.  (2/27)

California reports cases of bird flu in elephant seal pups.  (2/26)

Argentina reports first cases of bird flu in commercial operation since fall of 2025.  (2/25)

South Carolina reports its first case of bird flu at commercial operation since before 2022.  (2/25)

Ontario reports 1st Canadian bird flu outbreak in more than a month.  (2/24)

New cases of bird flu reported in 3 states.  (2/24)

Bird flu likely cause of death of 24 swans in London.  (2/23)

San Juan Island Washington reports that red foxes have tested positive for bird flu.  (2/23)

Japan reports 20th case of bird flu this season at farm with 560,000 egg-laying hens.  (2/22/2026)

SHOCKER!!  Dead birds found in Ohio gated community.  Bird flu suspected.  (2/21)

And the bird flu hits just keep on comin' for Lancaster County Pennsylvania.  (2/20)

Bird flu outbreak in New Jersey forces closure of park.  (2/20)

February 10-19, 2026

Since 2022, the egg industry has lost more than 150,000,000 birds.  (2/19)

'Unprecedented' outbreak of bird flu in ravaged Lancaster County Pennsylvania.  (2/18)

Boone County Indiana reports bird flu at commercial breeder turkey farm.  (2/18)

Folks are finding dead birds all over Long Island New York.  (2/18)

Geese aren't making it out of Jersey alive due to bird flu,  (2/18)

Warren Ohio area residents told to stay away from dead birds due to bird flu outbreak.  (2/17)

Duck flock hit with avian flu in Elkhart County, Indiana.  (2/17)

Commercial turkey flock in southwest Indiana hit with bird flu.  (2/17)

So far in 2026 Lancaster County Pennsylvania has recorded 2,400,000 cases of bird flu.  (2/16)

Bird flu hits wild birds throughout Utah.  (2/16)

Maryland reports 2nd case of bird flu in 2026.  (2/16)

Lancaster County Pennsylvania is currently ground zero for bird flu.  (2/13)

Dead skunk in Pueblo Colorado tests positive for bird flu.  (2/13)

Israel report 16 cases of Newcastle Disease since November 2025.  (2/12)

Bird flu hits Lancaster County Pennsylvania again.  (2/12)

Bird flu hits California broiler chicken farm.  (2/11)

Bird flu reported in numerous states in India.  (2/11)

Bird flu wipes out hundreds of crows in Terre Haute, Indiana.  (2/10)

First cases of bird flu death in Antarctica confirmed.  (2/10)

Bird flu makes a return engagement to Poland and Hungary.  (2/10)

February 1-9, 2026

Death by bird flu of crows in New York State. (2/8)

Bird flu reported in Mississippi, South Dakota, and Kansas.  (2/6)

Hundreds of dead geese found in lake in Ramson Canyon, Texas.  (2/5)

Second egg-laying facility in one week is hit with bird flu in Lancaster County, Pennsylvania.  (2/5)

Nigeria reports first case of bird flu in 3 years.  (2/4)

Georgia reports another case of bird flu.  (2/4)

South Korea egg supply diminished by bird flu outbreaks.  (2/3)

Bird flu reported at Pennsylvania egg laying facility with 1,500,000 hens.  (2/2)

January 21-31, 2026

Bird flu hits Colorado egg laying facility with 1,300,000 chickens.  (1/31)

Welcome to year 4 of bird flu.  (1/30)

Kossuth County Iowa report 2nd bird flu case in a week.  (1/30)

10 European countries report 78 cases of bird flu during first 4 weeks of 2026.  (1/30)

Five cases of bird flu reported in Long Island, New York.  (1/30)

Avian flu continues to infect wild birds in Orlando Florida area.  (1/30)

Georgia reports third case of bird flu in 2026.  (1/29)

Report:  Nitrogen provides calmer way to depopulate birds inflected with avian flu.  (1/29)

Bird flu die-off of about 500 Canadian geese reported in Manitoba.  (1/25)

Second case of bird flu reported in Walker County Georgia.  (1/25)

Indiana reports 2nd case of bird flu in 2026.  (1/25)

Flock of 3,000 ducks infected by bird flu in Indiana.  (1/23)

Iowa reports first case of bird flu in 2026 (7,000 pheasants and 120 chickens).  (1/23)

Swans and bird flu.  (1/22)

"Bird flu is the current threat to the human community".  (1/22)\

January 11-20, 2026

11 European counties confirm cases of bird flu in since the start of the year.  (1/20)

Philippines reports 10 case of bird flu in past 10 days.  (1/17)

New York tells resident don't touch those dead birds.  (1/17)

Bird flu outbreaks in Georgia and Minnesota.  (1/15)

Kansas is currently ground zero for bird flu.  (1/13)

Newcastle Disease, another highly contagious viral disease affecting birds, hit 4 flocks in Spain.  (1/12)

Multiple strains of bird flu has scientists worried.  (1/11)

January 1-10, 2026

Two cases of bird flu hit Sampson County North Carolina.  (1/10)

Bird flu infects flock of 380,000 commercial egg-laying hens in Kansas.  (1/9)

Biggest egg producer in United States remains wary of bird flu.  (1/8)

Bird flu strain of avian influenza:  "The picture has grown darker and stranger than most would have imagined".  (1/8)

Bird flu reported on Martha's Vineyard in Massachusetts. (1/8)

Bird flu wipes out generation of Patagonian seals.  (1/8)

Dozens of vultures die of bird flu in North Carolina.  (1/8)

Dog dies of bird flu in Alberta after eating infected snow goose.  (1/7)

Bird flu reported at 3 sites in North Carolina during 1st week of 2026.  (1/7)

Bird flu hits two gamebird flocks in Kansas.  (1/7)

British Columbia reports most cases of bird flu in among Canadian provinces in 2025.  (1/7)

Nearly half of all 2025 bird flu cases in United States occurred in Ohio and Indiana.  (1/7)

Kerala India reports 11 cases of bird flu in December 2025.  (1/6)

Bird flu infects 144,600 commercial laying hens in Nebraska.  (1/3)

Bird flu puts a damper on goose hunting season in Arkansas.  (1/3)

32,800 ducks infected by bird flu in Lancaster County Pennsylvania.  (1/2)

Geese dying to bird flu in South Dakota.  (1/1)

Bird flu continues to wreak havoc in Indiana.  (1/1)

December 16-31, 2025

Bird flu outbreaks continue apace in Europe.  (12/31)

Maryland reports most recent biggest case of bird flu.  (12/31)

12 swans die of bird flu at Orlando's Lake Eola.  (12/30)

Dangerously setting aside the lessons learned from Covid.  (12/30)

Arkansas reports 3rd case of bird flu in 2025, 1st since January.  (12/29)

Hundreds of geese found dead of bird flu in Pennsylvania's Pymatuning Reservoir.  (12/26)

Egg prices on the rise in South Korea due to bird flu outbreaks.  (12/26)

Bird flu outbreak in Japan results in culling of nearly 1,000,000 egg-laying hens.  (12/26)

"A global problem:  Ominous outlook for bird flu in 2026.  (12/25)

Avian flu now encircles Australia.  (12/24)

Ontario reports two new cases of avian flu.  (12/24)

Europe continues to deal with outbreaks of avian flu.  (12/24)

United Kingdom avian flu tally reaches 73 during 2025-26 season.  (12/22)

Recent outbreak of avian flu in Texas affected 260,000 commercial broilers.  (12/18)

Hundreds of snow geese found dead of avian flu at Pennsylvania quarry.  (12/17)

Indiana boosts its 2025 avian flu tally to 66. (12/17)

2025 avian flu tally in Europe:  654 outbreaks in 23 countries.  (12/17)

Texas reports its first case of avian flu since April 2024.  (12/16)

December 1-15, 2025

Minnesota reports 22nd case of avian flu in 2025.  (12/15)

Avian flu detected in Wisconsin dairy herd.  (12/14)

Patterns of avian flu outbreaks in Europe:  From farm to farm then, from wild birds to farms now.  (12/12)

Turkey flocks in North Dakota and South Dakota hit with avian flu.  (12/12)

Indiana boosts its avian flu outbreak tally to 64.  (12/11)

Australia awaits its first case of avian flu.  (12/9)

2025 avian flu tally in Indiana reaches 60.  (12/9)

Japan and South Korea report outbreaks of avian flu.  (12/8)

Avian flu kills more than 70 vultures in Ohio.  (12/7)

Latest avian flu research from Iowa State University.  (12/6)

Michigan DNR sends out an avian flu advisory to waterfowl hunters.  (12/6)

Avian flu kills scores of geese in rural Manitoba Canada.  (12/6)

Canadian province of Alberta deals with worse outbreak of avian flu in years.  (12/6)

Avian flu is a global concern.  (12/5)

Massive outbreak of avian flu in Europe during past week.  (12/3)

North Carolina, Ontario, Indiana, and British Columbia on todays avian flu hit parade. (12/2)

Around the world with avian flu.  (12/1)

Edmunds County South Dakota reports two cases of avian flu in less than a week.  (12/1)

November 15-30, 2025

Avian flu detected in wild birds all over Michigan.  (11/30)

4 Ontario poultry farms hit by avian flu in past 2 weeks.  (11/30)

Indiana-based poultry company uses inflatables to shoo away wild birds.  (11/26)

52 poultry flocks in Indiana infected by avian flu so far in 2025.  (11/25)

Washington State reports 3 more cases of avian flu.  (11/24)

First human death from H5N5 strain of avian flu reported in Washington State.  (11/23)

South Dakota reports 17th case of avian flu in 2025.  (11/23)

North Carolina reports first case of avian flu since January.  (11/21)

Widespread outbreaks of avian flu in Europe.  (11/17)

Avian flu wipeout in LaGrange County Indiana.  (11/17)

Bird flu spreads while Trump fiddles  and Dept of Ag secretary  Brooke Rollins poses with chickens.  (11/16)

November 1-15, 2025

Avian flu devastates herd of elephant seals on sub-Antarctic island.  (11/14)

Ottawa County Michigan reports 2 more cases of avian flu, bringing its 2025 total to 8. (11/14)

Avian flu taking a toll in Germany.  (11/13)

Wild birds are spreading avian flu across the United States.  (11/13)

Monitoring the health of poultry through their water consumption.  (11/12)

Another Michigan turkey flock infected with avian flu.  (11/11)

British Columbia ostrich farm loses appeal, 400 birds infected with avian flu depopulated.  (11/11)

]5 swans die of avian flu in Bristol, England.  (11/11)

Germany reports 66 cases of avian flu since October 1.  (11/10)

Avian flu alert in Missouri.  (11/7)

Two recent cases of avian flu in Ottawa County, Michigan.  (11/7)

Japan reports third confirmed outbreak of avian flu this season.  (11/6)

More turkey flocks infected with avian flu in North Dakota and South Dakota.  (11/5)

That raw cheese you're eating might be infected with bird flu virus.  (11/4)

Avian flu infects turkey flock in Michigan.  (11/4)

Four cases of avian flu hit western Canada.  (11/3)

You're right if you think there's been a lot of birds killed by avian flu during the past 2 months.  (11/1)

October 2025

Avian flu hits duck breeder farm in California. (10/29)

139,000 chickens fall victim to avian flu in Georgia.  (10/28)

Avian flu kills elephant seals on Heard Island south of Australia.  (10/25)

Widespread avian flu infections of wild birds in the United States.  (10/24)

Minnesota boosts its 2025 avian flu tally to 20.  (10/23)

Yet another case of avian flu confirmed in Minnesota, bringing total to 19 so far in 2025.  (10/22)

Indiana reports more cases of avian flu.  (10/21)

Quebec reports 4th case of avian flu in 2025.  (10/17)

Three more Minnesota turkey flocks affected by avian flu, bringing 2025 tally to 18 .  (10/16)

Two cases of avian flu reported in Manitoba on consecutive days.  (10/14)

Multiple reports of avian flu including two flocks in Washington State affecting more than 2,200,000 hens.  (10/13)

Bird flu detected in goose at Gibson Park in Great Falls Montana.  (10/12)

Avian flu threat results in cancellation of WIsconsin poultry show.  (10/11)

Avian flu hits two more turkey flock in Minnesota.  (10/10)

Avian flu hits Michigan turkey flock.  (10/9)

Avian flu hits Iowa turkey flock.  (10/7) 

175,000,000 birds have fallen victim to avian flu in United States since 2022.  (10/6)

Migrating season brings a return of avian flu to Iowa.  (10/3)

Jefferson County Wisconsin reports second case of avian flu in less than a week.  (10/3)

September 2025

That Jefferson County Wisconsin farm lost more than 3 million laying hens.  (9/30)

Avian flu claims an historical first death:  Whooping crane.  (9/29)

Wisconsin reports first 2025 commercial case of avian flu in poultry flock without providing any specifics.  (9/29)

Utah in 4th year of avian flu outbreak. (9/27)

Minnesota reports 55,000 cases of avian flu in 3 turkey flocks.  (9/26)

Expect higher prices for your Thanksgiving turkey this year.  (9/26)

South Dakota continues to be hit hard by avian flu.  (9/21)

Minnesota reports avian flu in flock of tom turkeys.  (9/19)

Nebraska reports its first known case of avian flu in dairy herd.  (9/17)

Canadian Food Inspection Agency reports 4 cases of avian flu in Alberta but otherwise remains mum.  (9/17)

South Dakota reports additional cases of avian flu in turkey flocks.  (9/14)

Must be Kristi Noem's bad karma and her Corey Lewandowski hook-up:  South Dakota is ground zero for avian flu so far this fall.  (9/10)

Avian flu is not going away:  Texas records U.S. case #1079 since January 2024.  (9/9)

April-August 2025

You've heard of avian flu, right?  How about Marek's disease?  (8/7)

Public relations news:  Not a good year so far for chickens and eggs.  (6/13)

Wisconsin put poultry shows and exhibitions on hold in 20 southern counties due to recent bird flu outbreak.  (3/14)

Indiana reports four more cases of bird flu.  (3/13)

Geese go to New Jersey and die of bird flu.  (3/1)