“Patients who are deficient in vitamin K, which is found in certain cheeses, spinach, and eggs, might be more likely to be admitted to intensive care or die from COVID-19, according to Dutch researchers who are exploring the relationship.
While COVID-19 was initially thought to be a respiratory illness, there is increasing evidence to suggest it affects other areas of the body and causes blood clotting.
First thing I do with news like this is grab my supplements to check …….yep, vitamin k, it’s there

It’s also here

Exercise
Take your vitamins