Here below are the publications (2) participated by Valentina Forni-Ogna using the term string sars-cov (as cross-checked throughout PubMed, counted from 2020, including only Ticino affiliations).
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1) Poor neutralization and rapid decay of antibodies to SARS-CoV-2 variants in vaccinated dialysis patients
PLoS One, 10 febbraio 2022

2) Diabetes mellitus is a risk factor for prolonged SARS-CoV-2 viral shedding in lower respiratory tract samples of critically ill patients
Endocrine, https://link.springer.com/article/10.1007/s12020-020-02465-4