The Central BioHub offers unprecedented access to thousands of high-quality, clinically graded human biospecimens obtained from COVID 19-vaccinated volunteers sourced from all over the globe. As part of our commitment to advancing COVID 19 vaccine research, we provide detailed information about the sample, including age, gender, ethnicity, and place of origin. In addition, we provide vaccination information, including the date and number of doses of SARS CoV 2 vaccine. We deliver human serum and plasma samples that have been thoroughly tested at accredited labs for anti-SARS CoV 2 IgG and IgM