This comment reflect one thing that there is lack of knowledge of virology and immunology and how blockchain technology can be applied in these vital issues.
AHAHAHHAHAHAH you're also funnny!
what it means virology and immunology when you try to collect sensitive or personal data?
You haven't any authorization by any health authority or company.
Stop write bull shit or please explain how you can get these data without infringe hundreds and hundreds of law/agreements?