Part 1, Chapter 9 Going Deep Summary

After traveling to Kenya to investigate Peter Cardinal's death, Eugene Johnson convinces the government to let him explore Kitum Cave in the spring of 1988, and he recounts that story to the author years later. Thirty-five members treated the cave as a Level 4 hot zone and conducted all their work in the cave while wearing space suits and following all Level 4 protocols, such as taking decontamination showers after leaving the cave. The team took 17 monkeys and many guinea pigs into the cave to leave at various places in an attempt to expose them to the virus so that some would get sick, and the researchers would have a specific place to look for the Marburg virus.

During their stay, they collected between 30,000 and 70,000 biting insects, trapped and dissected hundreds of small animals, and eventually killed and studied all...