Anna Camp is opening up about contracting the COVID-19 virus, revealing she got it after failing to wear a face mask just one time.The 37-year-old Pitch Perfect star took to Instagram on Tuesday, sharing a new selfie of her wearing a pink face mask, while opening up about how she got it to her 1.1 million followers.She also confirmed that she has, 'since tested negative' for the virus, but she was, 'extremely sick for over three weeks and still have lingering symptoms.' Instagram:The 37-year-old Pitch Perfect star took to Instagram on Tuesday, sharing a new selfie of her wearing a pink face mask, while opening up about how she got it to her 1.1 million followers Opening up:Anna Camp is opening up about contracting the COVID-19 virus,.