The project was postponed in 1904 due to a typhoid fever outbreak.

There was also an increase of mosquitoes and other insects, increasing the threat of a dengue fever outbreak.

Serious yellow fever outbreaks in the 1790s interrupted development.

These quarantines occurred almost annually and were based on yellow fever outbreaks and epidemics.

The city's tourism, however, was dealt major blows in the late 19th century by yellow fever outbreaks.