Bauer G. Comment to the manuscript by William P. Hausdorff and Jorge Flores: Low-dose and
oral exposure to SARS-CoV-2 may help us understand and prevent severe COVID-19,
IJID 103 (2021) 37-41. Int J Infect Dis 2021 Apr 2. pii: S1201-9712(21)00302.
PMID: 33819603