South Dakota governor who flew with Trump says she tested negative after coronavirus exposure

South Dakota governor who flew with Trump says she tested negative after coronavirus exposure
© South Dakota Gov. Kristi Noem (R) meets with President Trump at the White House | Getty Images

South Dakota Gov. Kristi NoemKristi Lynn NoemGovernors' approval ratings drop as COVID-19 cases mount Noem: South Dakota students 'will definitely be in the classroom' this fall The Hill's 12:30 Report - Presented by Facebook - Yoho apologizes for accosting AOC MORE (R) says she tested negative for the coronavirus after coming in contact with Kimberly GuilfoyleKimberly Ann GuilfoyleTrump's national security adviser tests positive for coronavirus The Hill's Morning Report - Presented by Facebook - Trump pivots on convention; GOP punts on virus bill Trump campaign raises million in virtual fundraiser MORE, a Trump campaign official who tested positive, and then flying with President TrumpDonald John TrumpOklahoma City Thunder players kneel during anthem despite threat from GOP state lawmaker Microsoft moving forward with talks to buy TikTok after conversation with Trump Controversial Trump nominee placed in senior role after nomination hearing canceled MORE aboard Air Force One. 

"I've always taken #COVID19 very seriously, but South Dakota trusted our citizens to exercise their personal responsibility to keep themselves and their loved-ones safe," Noem tweeted.

"I tested negative on Friday before meeting @realDonaldTrump. I tested negative again today."

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Noem was asked on Fox News Tuesday about her flight on Air Force One on Friday after reportedly having close interactions with Guilfoyle, the girlfriend of Donald Trump Jr. 

The governor noted she also tested negative before meeting with the campaign last week and again after the meeting. 

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"I was tested again today, which came back negative again," Noem said. "So I appreciated the opportunity to spend time talking about the issues that were important to South Dakota in my time with [Interior] Secretary [David] Bernhardt and with the president, and look forward to bringing more solutions to my state."

Noem said Guilfoyle was asymptomatic “and the science of the virus tells us that it's very, very difficult to spread the virus when you're asymptomatic." 

A study published Monday by the National Academy of Sciences estimates that presymptomatic and asymptomatic cases account for 48 percent and 3.4 percent of virus transmissions, respectively, making "silent transmission" a main factor in outbreaks.