Yes, it is not about corona virus why bitcoin is falling but I believe other factors in play. should be increasing if this health crisis is in major play. but honestly, i really didn't foresee that this virus will have a major impact in so many businesses across the globe aside from the health scare to global population. really hard to contain this virus because it has gone far already.
https://www.commondreams.org/news/2020/02/25/cdc-says-americans-should-brace-significant-disruptions-amid-warnings-coronavirus
Pharma industry are in a hurry to find the vaccine for this. we don't know how long the tests gonna be to ensure its efficiency. but with modern technology, I believe it will be much faster to find cure for this virus crisis.
https://edition.cnn.com/2020/02/25/business/moderna-coronavirus-vaccine/index.html
https://www.wsj.com/articles/drugmaker-moderna-delivers-first-coronavirus-vaccine-for-human-testing-11582579099