Is COVID-19 in the Bible?

Yes, it is.

It's a sign of the end.

For nation shall rise against nation, and kingdom against kingdom: and there shall be famines, and pestilences, and earthquakes, in divers places. All these are the beginning of sorrows.
- Matthew 24:7-8 (KJV)

Pestilence = a fatal epidemic disease, especially bubonic plague

Epidemic = a widespread occurrence of an infectious disease in a community at a particular time (for example, a flu epidemic)

Ellen White adds this:

In accidents and calamities by sea and by land, in great conflagrations, in fierce tornadoes and terrific hailstorms, in tempests, floods, cyclones, tidal waves, and earthquakes, in every place and in a thousand forms, Satan is exercising his power. He sweeps away the ripening harvest, and famine and distress follow. He imparts to the air a deadly taint, and thousands perish by the pestilence. These visitations are to become more and more frequent and disastrous. Destruction will be upon both man and beast.
- Ellen White, The Great Controversy, p. 589