A bird flu outbreak is spreading among cows in the U.S. Scientists are hunting for answers

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A bird flu outbreak is spreading among cows in the U.S. Scientists are hunting for answers
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At first glance, it looks like an unassuming farm. Cows are scattered across fenced-in fields. A milking barn sits in the distance with a tractor parked alongside. But the people who work there are not farmers, and other buildings look more like what you’d find at a modern university than in a cow pasture.

An animal caretaker collects a blood sample from a dairy calf vaccinated against bird flu in a containment building at the National Animal Disease Center research facility in Ames, Iowa, on Wednesday, July 31, 2024.

It's a quiet place with a rich history. Through the years, researchers there developed vaccines against various diseases that endanger pigs and cattle, including hog cholera and brucellosis. And work there during the H1N1 flu pandemic in 2009 — known at the time as “swine flu” — proved the virus was confined to the respiratory tract of pigs and that pork was safe to eat.

“It's just amazing how people just dig down and make it work,” said Mark Ackermann, the center's director. Much of the research on the disease has been conducted at a USDA poultry research center in Athens, Georgia, but the appearance of the virus in cows pulled the Ames center into the mix. The research exposed four yearling heifers to a virus-carrying mist and then squirted the virus into the teats and udders of two lactating cows. The first four cows got infected but had few symptoms. The second two got sicker — suffering diminished appetite, a drop in milk production and producing thick, yellowish milk.

A study conducted by the Iowa center and several universities concluded that the virus was likely circulating for months before it was officially reported in Texas in March. Coloured contacts, which cover the coloured part of the eye with a tinted lens, have been used for cosmetic reasons since the 1940, but cosmetic surgery to make a colour change permanent is a more recent phenomenon.Gord Downie wasn't interested in ever becoming a hologram musician. It's an offer his former Tragically Hip bandmates say he confronted around the time he went public with his terminal brain cancer diagnosis.

Canada's consul general in New York Tom Clark did not influence the government's decision to purchase his new official residence, a senior Global Affairs Canada official told MPs Wednesday.A pharmacist from B.C.'s Okanagan has been issued a suspension and fine after admitting he provided 'unauthorized prescriptions' to family members.

Fresh off the Olympics, U.S. breakout star and medalist Stephen Nedoroscik — better known to the internet as “Pommel Horse Guy” — will compete on the upcoming season of “Dancing With the Stars.”After a breakthrough inaugural season, PWHL Ottawa team captain Brianne Jenner is bringing new opportunities to the city's young female hockey players.At a packed investor day in Dearborn, Michigan, last year, Ford Motor F.

'Competitiveness has always been a part of me': Former Humboldt Bronco heading to Paris for Paralympics Rider Nation is remembering one of its most beloved leaders in recent memory and the unforgettable impact he had during his tenure in Saskatchewan.

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