Trained dogs can sniff out Covid with up to 94% accuracy - including new variants

The dogs were able to sniff out Covid-19 with up to 94 per cent accuracy (Photo: PA)
Specially trained dogs are able to sniff out Covid-19 with up to 94 per cent accuracy, new research suggests.
A coronavirus infection has a distinct smell meaning canines are able to detect samples from people who have been infected but are asymptomatic, as well as those with low viral loads.
Dogs were also able to identify infections caused by the coronavirus strain that was dominant in the UK last year, along with the Kent variant which was detected later in the year.
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