A Florida doctor has been removed from his hospital job amid reports that he offered parents medical letters to circumvent school mask requirements.
Tallahassee physician Brian Warden was reportedly advertising such medical exemption letters for $50 (£36.46) on a Facebook group for anti-mask parents.
The issue of mask mandates in schools has sparked debates nationwide as the new academic year begins.
Florida has been in the national spotlight over the ongoing mask row between school officials, parents and the government.
Covid-19 cases have surged in Florida due to the contagious Delta variant, with more people admitted to hospital and dying of the virus than at any other point during the pandemic.