Joe Diffie revealed via an Instagram post on Friday that he has tested positive for COVID-19.'I am under the care of medical professionals and currently receiving treatment after testing positive for coronavirus (COVID-19),' the text post on the 61-year-old country singer's Instagram feed read.'My family and I are asking for privacy at this time,' the statement continued. 'We want to remind the public and all my fans to be vigilant, cautious and careful during this pandemic.' Among the ill:Joe Diffie revealed via an Instagram post on Friday that he has tested positive for COVID-19Additionally, publicist Scott Adkins released a similar statement regarding Joe's current state of health.