Severe Respiratory Illness know as Tuberculosis?
Here is an article that questions whether the coronavirus is even a virus at all. In fact, it may be just a “passenger virus” with the real underlying problem being tuberculosis, and this, the author suggests, may be why antibiotics and Vitamin C work well against it.
https://godskingdom.org/blog/2020/03/did-incinerated-pig-waste-from-2019-cause-the-coronavirus