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Releasing Mosquitoes to Reduce Disease? There’s Method to That Madness

By Scott Weese on June 5, 2026
Posted in Other animals

Google’s parent company Alphabet has attracted some attention recently base on its request to release up to 32 million mosquitoes in Florida and California. No, it’s not part of a master plan to annoy people or spread disease. Believe it or not, it’s actually an effective method to reduce mosquitoes and the risk of…

New World Screwworm: FDA Emergency Use Authorization for Lotilaner in Dogs

By Scott Weese on October 30, 2025
Posted in Dogs, Parasites

New World Screwworm (NSW) is a nasty parasitic infestation (with a very high ick factor) that’s back on the radar in North America, re-emerging after several decades of highly successful control and eradication efforts that had pushed its northern reach back as far as Panama. It has now made to back as far as northern…

New World Screwworm: Primer for Canadian Veterinarians

By Scott Weese on October 3, 2025
Posted in Birds, Cats, Dogs, Horses, Other animals, Parasites

I remember the first case of fly myiasis (aka fly strike, maggot infestation) in general practice. I was a very new grad called to look at a lamb owned by someone who had a few sheep. The complaint was that the lamb wasn’t doing well. It was laying down when I arrived and I grabbed…

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Worms & Germs Blog is an educational website coordinated by Drs. Scott Weese and Maureen Anderson of the Ontario Veterinary College’s Centre for Public Health and Zoonoses. The site was initially set up with the help of funding from City…

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The Centre for Public Health and Zoonoses offers information relating to zoonotic diseases (diseases transmitted from animals to people), including aspects of human and pet health, infection prevention and control, and vaccination. It is located at the University of Guelph, in Ontario, Canada.

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