e.g., https://blogs.sciencemag.org/pipeline/archives/2020/05/29/famotidine-histamine-and-the-coronavirus https://blogs.sciencemag.org/pipeline/archives/2020/05/

e.g., https://blogs.sciencemag.org/pipeline/archives/2020/05/29/famotidine-histamine-and-the-coronavirus https://blogs.sciencemag.org/pipeline/archives/2020/05/29/fa... which is tangentially related here.