KANSAS CITY, Mo. - Imagine getting a COVID-19 test from the comfort of your own home. That's what Costco is offering by selling saliva test kits online. They come at a steep price. The basic test kit ...

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KANSAS CITY, Mo. — Imagine getting a COVID-19 test from the comfort of your own home. That's what Costco is offering by selling saliva test kits online. They come at a steep price. The basic test kit ...