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The Leitrim County Council in Ireland is instituting DNA testing for dog poop that is not picked up by pet owners, RTÉ reports.

The local animal warden, it adds, will take samples from the offending feces to match to DNA obtained from saliva samples of local dogs. RTÉ notes that dog owners first will be asked to cooperate with the new program, but could receive a notice compelling them to do so, and those who voluntarily take part will not be fined for a first offense.

"In addition to dog waste being unsightly, it also poses a risk to health as it can contain bacteria such as E. coli and parasites such as roundworm, the larvae of which can cause loss of vision," the Leitrim County Council says in a statement, according to The Journal.

Apartment complexes and towns in the US have similarly explored the use of DNA testing to stamp out unpicked-up dog waste.

The Scan

Alzheimer's Risk Gene Among Women

CNN reports that researchers have found that variants in MGMT contribute to Alzheimer's disease risk among women but not men.

Still Hanging Around

The Guardian writes that persistent pockets of SARS-CoV-2 in the body could contribute to long COVID.

Through a Little Spit

Enteric viruses like norovirus may also be transmitted through saliva, not just the fecal-oral route, according to New Scientist.

Nature Papers Present Method to Detect Full Transcriptome, Viruses Infecting Asgard Archaea, More

In Nature this week: VASA-seq approach to detect full transcriptome, analysis of viruses infecting Asgard archaea, and more.