Bronchoscopic suspect of Herpesvirus infection in critically ill COVID-19 patients: two case reports and brief literature review. Acta Biomed [Internet]. 2022 Jan. 19 [cited 2024 Jun. 30];92(S1):e2021514. Available from: https://mattioli1885journals.com/index.php/actabiomedica/article/view/12425