inclusion criteria donor: * 18 years or older * must have been hospitalized w/covid-19 respiratory symptoms and confirmation via covid-19 sars-cov-2 rt-pcr testing but are now pcr negative by 2 nasopharyngeal testing * females of child-bearing potential must have a negative serum pregnancy test * subject and/or lar willing to provide informed consent * patient agrees to storage of specimens for future testing inclusion criteria recipient: * 18 years or older * must have been hospitalized w/covid-19 respiratory symptoms within 3 to 7 days from the beginning of illness * subject and/or lar willing to provide informed consent * patient agrees to storage of specimens for future testing

inclusion criteria donor: * 18 years or older * must have been hospitalized w/covid-19 respiratory symptoms and confirmation via covid-19 sars-cov-2 rt-pcr testing but are now pcr negative by 2 nasopharyngeal testing * females of child-bearing potential must have a negative serum pregnancy test * subject and/or lar willing to provide informed consent * patient agrees to storage of specimens for future testing inclusion criteria recipient: * 18 years or older * must have been hospitalized w/covid-19 respiratory symptoms within 3 to 7 days from the beginning of illness * subject and/or lar willing to provide informed consent * patient agrees to storage of specimens for future testing

inclusion criteria donor: - 18 years or older - must have been hospitalized w/covid-19 respiratory symptoms and confirmation via covid-19 sars-cov-2 rt-pcr testing but are now pcr negative by 2 nasopharyngeal testing - females of child-bearing potential must have a negative serum pregnancy test - subject and/or lar willing to provide informed consent - patient agrees to storage of specimens for future testing inclusion criteria recipient: - 18 years or older - must have been hospitalized w/covid-19 respiratory symptoms within 3 to 7 days from the beginning of illness - subject and/or lar willing to provide informed consent - patient agrees to storage of specimens for future testing

inclusion criteria donor: - 18 years or older - must have been hospitalized w/covid-19 respiratory symptoms and confirmation via covid-19 sars-cov-2 rt-pcr testing but are now pcr negative by 2 nasopharyngeal testing - females of child-bearing potential must have a negative serum pregnancy test - subject and/or lar willing to provide informed consent - patient agrees to storage of specimens for future testing inclusion criteria recipient: - 18 years or older - must have been hospitalized w/covid-19 respiratory symptoms within 3 to 7 days from the beginning of illness - subject and/or lar willing to provide informed consent - patient agrees to storage of specimens for future testing