https://www.pasteur.fr/en/press-area/press-documents/covid-19-persistence-sars-cov-2-lungs-and-role-innate-immunity https://www.pasteur.fr/en/press-area/press-d

https://www.pasteur.fr/en/press-area/press-documents/covid-19-persistence-sars-cov-2-lungs-and-role-innate-immunity https://www.pasteur.fr/en/press-area/press-documents/covid-1... there is also the small matter of... viral persistence