It is not known to Science what cause a kind of flu up till now according to world health organization and the Bible has already told us that if anybody will not hear my Word, I would bring plaques that are not even written
Deuteronomy 28:61 Also every sickness, and every plague, which is not written in the book of this law, them will the LORD bring upon thee, until thou be destroyed.
Every knowledge that man discover is even in the Bible. Example is when God commanded Prophet Abraham to circumcise his male child in the 8th day. The Bible is found of 7 but God commanded 8th day because there would have been enough vitamin K in the body in the 8th day
Genesis 17:11-12 And ye shall circumcise the flesh of your foreskin; and it shall be a token of the covenant betwixt me and you.
And he that is eight days old shall be circumcised among you, every man child in your generations, he that is born in the house, or bought with money of any stranger, which is not of thy seed.
Vitamin K is being produce in the intestines sack and there is no where we cannot find it in the body. We can even find it in the anus. Vitamin K is what makes blood not waste too much when operation is being done