“Kibble tumbled out of a dispenser, and Blaze bounded across the small training facility to devour it, tail-waggingly pleased with his reward but unaware of why his olfactory prowess so delighted the human onlookers.” WaPo: Can dogs detect the novel coronavirus? The nose knows. (Cats can detect it too, they just don’t care enough to warn us.)

+ NYT: “Scientists who have been monitoring immune responses to the virus are now starting to see encouraging signs of strong, lasting immunity, even in people who developed only mild symptoms of Covid-19.”