title: Prevalence of antibodies to four human coronaviruses is lower in nasal secretions than in serum.
authors.affiliation: Division of Infectious Diseases and Immunology, Saint Louis University School of Medicine, 1100 South Grand Boulevard, St. Louis, MO 63104, USA. gorsegj@slu.edu
authors.forename: Geoffrey J
authors.initials: GJ
authors.lastname: Gorse
authors.forename: Gira B
authors.initials: GB
authors.lastname: Patel
authors.forename: Joseph N
authors.initials: JN
authors.lastname: Vitale
authors.forename: Theresa Z
authors.initials: TZ
authors.lastname: O'Connor