I look forward to hearing about further developments on this.  Think of how less painful this could be compared to surgery and how it could help prevent homeless kitties…

Can one shot sterilize cats?

A new non-surgical one-shot contraceptive can make both male and female animals infertile for years.

The method, so far only tested in mice, could be used as an alternative to spaying and neutering feral animals, researchers say. 

Earlier studies have shown an adeno-associated virus (AAV)—a small, harmless virus that is unable to replicate on its own—has been useful in gene-therapy trials and can be used to deliver sequences of DNA to muscle cells, causing them to produce specific antibodies that are known to fight infectious diseases, such as HIV, malaria, and hepatitis C.

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