Gene Maddaus Senior Media WriterKayleigh McEnany, the White House press secretary, announced on Monday morning that she had tested positive for COVID-19.McEnany joins a growing circle of presidential advisers who have tested positive since last week, including Trump’s campaign manager, Bill Stepien, his body man, Nicholas Luna, and aide Hope Hicks.Trump remains hospitalized at Walter Reed National Military Medical Center in Bethesda, Md., where he is receiving treatment for the virus.