While that definitely is a real job, by far the more common job you’d have at an “infectious disease lab” would be at a hospital or some facility where you’re trying to treat them, rather than pump them out like AK-47’s

This looks like a dating app screenshot, so the fact that a potential date completely skipped over “maybe this person works at a hospital” and landed on the conclusion that “this guy is the lord of war but for diseases” is worthy of a chuckle