Following news that presidential adviser and ABC News political analyst Chris Christie tested positive for COVID-19, he checked into a hospital on Saturday as a "precautionary measure." "In consultation with my doctors, I checked myself into Morristown Medical Center this afternoon," tweeted Christie. "While I am feeling good and only have mild symptoms, due to my history of asthma we decided this is an important precautionary measure." ABC News released a statement on Saturday noting any staff that has been "in direct contact" with Christie will self-isolate for two weeks. "This morning Governor Chris Christie announced he tested positive for COVID-19.