Topic: Hyper immune Bovine Colostrum as a Low-Cost, Large-Scale Source of Antibodies against COVID-19
https://www.biorxiv.org/content/10.1101/2021.05.20.444932v1.full
>Phase 2 of the clinical trials is underway.
>Early results show effectiveness of the product in reducing
>sore throat and cough in early stages of SARS-CoV-2 infection.

>In an ongoing phase II of clinical trial, some efficiency have been
>observed from anti-COVID-19 milk using 150ml of hyper immune milk.

イランIsfahan大学の研究
こちらはホルスタインを不活化SARS-CoV-2で免疫化している