Research Keyword: incubation period

A case of Blastomyces helicus pneumonia in a dog from a non-endemic region: diagnostic challenges and successful treatment outcome

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A dog from Colorado developed a severe respiratory infection that was initially mistaken for a bacterial pneumonia. After antibiotics failed to help, advanced testing revealed the dog had a fungal infection caused by Blastomyces helicus, a rare fungus found in western North America. The dog was successfully treated with an antifungal medication called itraconazole and made a complete recovery within six months, demonstrating the importance of considering fungal infections when standard treatments fail.

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Stonebrood Disease—Histomorphological Changes in Honey Bee Larvae (Apis mellifera) Experimentally Infected with Aspergillus flavus

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Stonebrood is a rare fungal disease of honey bees caused by Aspergillus flavus that can kill bee larvae very quickly. Researchers experimentally infected bee larvae with the fungus and tracked how the disease progressed, finding that larvae died within 48 hours of infection. The study revealed that the fungus likely kills bees by producing toxins rather than by physical damage, and poses a health risk to beekeepers who inhale the fungal spores.

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Stonebrood Disease—Histomorphological Changes in Honey Bee Larvae (Apis mellifera) Experimentally Infected with Aspergillus flavus

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Researchers studied how a rare fungal disease called stonebrood affects honey bee larvae by infecting them with the fungus Aspergillus flavus. They found that the fungus establishes in the bee’s gut within 24 hours and kills the larvae within two days, likely through production of toxic compounds. The study reveals three stages of infection progression and highlights why beekeepers need protection when handling infected colonies.

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