Which of the following sentences, if inserted here, would be the best example of how yellow fever seemed to be spread differently than other communicable diseases?

F. For example, people had no choice but to wear clothing and use blankets, so the fever could not have spread that way.
G. For example, sometimes one person would get sick in a household, while nobody else in that household would get sick.
H. For example, yellow fever caused a great deal of pain in its victims.
J. For example, some doctors were willing to go against what the rest of the medical establishment was saying.