There is some evidence it may be useful as a prophylactic to prevent infection, and it is presently undergoing trials.

More reading:

https://www.ncbi.nlm.nih.gov/pubmed/32074550

https://www.recipharm.com/press/recipharm-notes-increased-de...

https://www.elsevier.com/__data/assets/pdf_file/0007/988648/...

https://clinicaltrials.gov/ct2/show/NCT04303507

https://www.pharmacytimes.com/news/potential-pipeline-medica...

https://www.pharmaceutical-technology.com/comment/parallel-e...