Pyrethroids have also played a role in the fight against Aedes aegypti, the main mosquito transmitting the yellow fever, dengue, and Zika viruses, even though bed nets are less effective against A. aegypti because
it predominantly bites people outdoors and during the day.
Although the air of the neighborhood is changing a little
bit, as buildings become renovated and
people of divergent cultures move into the neighborhood, Harlem is still
predominantly Black.