And let’s be real here, it’s not too rare, the current victims simply don’t count as much.
All those “tropical” diseases seem to be completely irrelevant as long as only poor people in a developing country get it. But as soon as a good white person dies, it’s defcon 11 and suddenly it’s really important to develop something expensive to help the rich countries.
If the vast majority of people are affected, is it really “extreme” anymore?