Background/aimsWe measured the association between underlying chronic hepatitis B (CHB) and antiviral use with infection rates among patients who underwent severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) testing. MethodsIn total. 204. 418 patients who were tested for SARS-CoV-2 between January and June 2020 were included. https://cosmeticssquadets.shop/product-category/mouthpiece/