Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) infects humans through the angiotensin converting enzyme-2 (ACE-2) receptor expressed on many cells. including lymphocytes. In Covid-19 patients IL-6 is overexpressed. and hyperactivated plasmacytoid lymphocytes are detected in peripheral blood film. https://allfixelectricales.shop/product-category/dual-inlet-3-way-water-valve/