BusinessHealthcare Markets TDL impacted by reduced demand for Covid testing By Maria Davies - 6th September 2023 FacebookTwitterPinterestWhatsAppLinkedin Pathology firm The Doctors Laboratory (TDL) has reported a 20% decline in revenue for the year ended 30 June 2022 as demand for Covid-19 testing subsided. In… You must be a HM Subscriber to view this content. Login » Subscribe Now »