Concern in California: H5N1 Avian Flu Found in Cattle on Dairy Farms for First Time

Avian Flu Found in California Dairies

Recently, three dairies in central California tested positive for avian flu. This is the first time the virus has been found in California, although it has been spreading in the U.S. since March.

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What is Avian Flu?

Avian flu, also known as H5N1, is a virus that can be deadly to birds. In cows, it causes mild sickness with symptoms like tiredness, loss of appetite, and dehydration.

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Human Risk is Low Overall

Experts say that the risk of avian flu spreading to humans is low. So far, there have been only 14 human cases in the U.S. since 2022, with a few linked to dairy cows.

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Dairy Workers at Risk

The main concern is for dairy workers who are in close contact with the infected cows. They are advised to take extra precautions to avoid getting sick.

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Testing and Quarantine

When cows in California started showing signs of avian flu, samples were quickly tested and confirmed. The affected dairies are now under quarantine, meaning they must follow strict rules to prevent the virus from spreading.

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Continued Milk Production

Despite the outbreak, healthy cows at the infected dairies can still produce milk. The milk will be pasteurized, a process that kills the virus and other harmful bacteria.

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Economic Concerns

This outbreak comes at a tough time for dairy farmers, who are already facing economic challenges. State officials are treating the situation with urgency to support farmers.

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Virus Spread in the U.S.

The virus was first found in U.S. dairy cows in Texas in March and has since spread to 14 states, affecting nearly 200 herds.

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Vaccination Efforts

Even though the risk to humans is low, nearly 5 million doses of flu vaccine are being prepared just in case they are needed for people.

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Research and Concerns

Researchers are closely monitoring the virus, which has started to spread between different species of animals. However, there are no signs yet that it is becoming more easily spread to humans.