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Home/Science News/Light-based device uses a few drops of saliva to effectively test COVID-19 patients Science News Light-based device uses a few drops of saliva to effectively test COVID-19 patients 22nd February 20220 16 Less than a minute Facebook Twitter LinkedIn Tumblr Pinterest Reddit VKontakte Odnoklassniki Pocket Read More 22nd February 20220 16 Less than a minute Facebook Twitter LinkedIn Tumblr Pinterest Reddit VKontakte Odnoklassniki Pocket Show More Share Facebook Twitter LinkedIn Tumblr Pinterest Reddit VKontakte Odnoklassniki Pocket Share via Email Print