{"entity": "publication", "iuid": "67f2b1f69b8f43d8a612f3ba9ffd3bf8", "timestamp": "2026-09-23T21:35:20.789Z", "links": {"self": {"href": "https://publications-affiliated.scilifelab.se/publication/67f2b1f69b8f43d8a612f3ba9ffd3bf8.json"}, "display": {"href": "https://publications-affiliated.scilifelab.se/publication/67f2b1f69b8f43d8a612f3ba9ffd3bf8"}}, "title": "SARS-CoV-2 infections amongst personnel providing home care services for older persons in Stockholm, Sweden.", "authors": [{"family": "Hassan", "given": "S S", "initials": "SS"}, {"family": "Seigerud", "given": "\u00c5", "initials": "\u00c5"}, {"family": "Abdirahman", "given": "R", "initials": "R"}, {"family": "Arroyo M\u00fchr", "given": "L S", "initials": "LS"}, {"family": "Nordqvist Kleppe", "given": "S", "initials": "S"}, {"family": "Pin", "given": "E", "initials": "E"}, {"family": "M\u00e5nberg", "given": "A", "initials": "A"}, {"family": "Hober", "given": "S", "initials": "S"}, {"family": "Nilsson", "given": "P", "initials": "P"}, {"family": "Engstrand", "given": "L", "initials": "L"}, {"family": "Miriam Elfstr\u00f6m", "given": "K", "initials": "K"}, {"family": "Blomqvist", "given": "J", "initials": "J"}, {"family": "Conneryd Lundgren", "given": "K", "initials": "K"}, {"family": "Dillner", "given": "J", "initials": "J", "orcid": "0000-0001-8588-6506", "researcher": {"href": "https://publications-affiliated.scilifelab.se/researcher/c19b4f8b054d4386b91eef7402829b61.json"}}], "type": "journal article", "published": "2021-08-00", "journal": {"title": "J. Intern. Med.", "issn": "1365-2796", "volume": "290", "issue": "2", "pages": "430-436", "issn-l": "0954-6820"}, "abstract": "In Sweden, home care services is a major external contact for older persons.\n\nFive home care service companies in Stockholm, Sweden, enrolled 405 employees to a study including serum IgG to SARS-CoV-2 and SARS-CoV-2 virus in throat swabs.\n\n20.1% (81/403) of employees were seropositive, about twice as many as in a simultaneously enrolled reference population (healthcare workers entirely without patient contact, n = 3671; 9.7% seropositivity). 13/379 employees (3.4%) had a current infection (PCR positivity). Amongst these, 5 were also seropositive and 3 were positive with low amounts of virus. High amounts of virus and no antibodies (a characteristic for presymptomatic COVID-19) were present in 5 employees (1.3%).\n\nPersonnel providing home services for older persons appear to be a risk group for SARS-CoV-2. Likely presymptomatic employees can be readily identified by screening. Increased protection of employees and of the older persons they serve is warranted.", "doi": "10.1111/joim.13274", "pmid": "33843090", "labels": [], "xrefs": [{"db": "pmc", "key": "PMC8250663"}], "notes": [], "created": "2026-09-23T12:17:19.541Z", "modified": "2026-09-23T12:17:19.562Z"}