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SARS-CoV-2 rapid antigen test sensitivity and viral load in newly symptomatic hospital employees in Berlin, Germany, December, 2020 to February, 2022: an observational study.
Meiners L, Horn J, Jones TC, Mühlemann B, Schmidt ML, Walper F, Menzel P, Schwarzer R, Rose R, Krumbholz A, Corman VM, Seybold J, Drosten C. Meiners L, et al. Among authors: walper f. Lancet Microbe. 2024 May 14:S2666-5247(23)00412-3. doi: 10.1016/S2666-5247(23)00412-3. Online ahead of print. Lancet Microbe. 2024. PMID: 38759669 Free article.
Humoral immune escape by current SARS-CoV-2 variants BA.2.86 and JN.1, December 2023.
Jeworowski LM, Mühlemann B, Walper F, Schmidt ML, Jansen J, Krumbholz A, Simon-Lorière E, Jones TC, Corman VM, Drosten C. Jeworowski LM, et al. Among authors: walper f. Euro Surveill. 2024 Jan;29(2):2300740. doi: 10.2807/1560-7917.ES.2024.29.2.2300740. Euro Surveill. 2024. PMID: 38214083 Free PMC article.
Humoral immune responses remain quantitatively impaired but improve qualitatively in anti-CD20-treated patients with multiple sclerosis after three or four COVID-19 vaccinations.
Otto C, Schwarz T, Jeworowski LM, Schmidt ML, Walper F, Pache F, Schindler P, Niederschweiberer M, Krumbholz A, Rose R, Drosten C, Ruprecht K, Corman VM. Otto C, et al. Among authors: walper f. Mult Scler. 2023 Jun;29(7):884-888. doi: 10.1177/13524585231161253. Epub 2023 Mar 28. Mult Scler. 2023. PMID: 36974938 Free PMC article.
SARS-CoV-2 variant Alpha has a spike-dependent replication advantage over the ancestral B.1 strain in human cells with low ACE2 expression.
Niemeyer D, Stenzel S, Veith T, Schroeder S, Friedmann K, Weege F, Trimpert J, Heinze J, Richter A, Jansen J, Emanuel J, Kazmierski J, Pott F, Jeworowski LM, Olmer R, Jaboreck MC, Tenner B, Papies J, Walper F, Schmidt ML, Heinemann N, Möncke-Buchner E, Baumgardt M, Hoffmann K, Widera M, Thao TTN, Balázs A, Schulze J, Mache C, Jones TC, Morkel M, Ciesek S, Hanitsch LG, Mall MA, Hocke AC, Thiel V, Osterrieder K, Wolff T, Martin U, Corman VM, Müller MA, Goffinet C, Drosten C. Niemeyer D, et al. Among authors: walper f. PLoS Biol. 2022 Nov 16;20(11):e3001871. doi: 10.1371/journal.pbio.3001871. eCollection 2022 Nov. PLoS Biol. 2022. PMID: 36383605 Free PMC article.