Read it through once

'In August the yellow-fever had reached its extremest height. Daily, hundreds fell a sacrifice to the terrible epidemic. The city was become a mighty graveyard, two-thirds of the population had deserted the place, and only the poor, the aged and the sick, remained behind, a sure prey for the insidious enemy. The houses were closed: little lamps burned in front of many--a sign that here death had entered. Often, several lay dead in a single house; from the windows hung black crape. The stores were shut up, for their owners were gone away or dead.