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test positive/negative (for something)
(1) Last time I had tested negative.
(2) So far all the patients have tested negative.
(3) I had tested positive a few months before.
(4) If I tested negative, f would speak with Jasper about monogamy.
(5) Out of 16 cases that tested positive for creatine kinase,
nine were confirmed, giving an incidence of 1:3082 births.
(6) Flanker Fox tested positive for the banned stimulant ephedrine
following Neath's opening league game against Pontypridd on September 5.
(7) Last year 3,300 people tested positive for the virus.
(8) Hunter, nearly ruined it all with the announcement that he'd tested
positive four times for steroids.
https://www.ldoceonline.com/dictionary/test