featured allergy article

Gene Changes Made This Season's Bird Flu More Severe

FRIDAY, June 2, 2023 (HealthDay News) -- Genetic mutations caused this latest bird flu season to become more severe, increasing the risk it poses to humans and other mammals, a new study finds.

The H5N1 avian influenza virus gained the ability to severely infect the brains of mammalian test subjects like ferrets, researchers with St. Jude Children’s Research Hospital found.

That’s a notable departure from previous strains of the virus, the researchers said.

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Allergy Information

What Are Seasonal Allergies?

More than 67 million americans suffer from allergy symptoms, including hay fever. But, what is an allergy? What is an allergic reaction? What are common allergy symptoms? What allergy treatments are available?

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What is Pollen?

Pollen is one of the most common allergens in the United States. Pollen is an airborne allergen, which is picked up and carried by the wind. Various trees, grasses and weeds create pollen, which can cause hay fever, irritate your eyes and skin.

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