These are the most frequently used words in this book.
aids
america
american
among
another
antibiotics
between
blood
care
cases
century
children
city
control
costs
country
county
days
death
department
died
disease
doctors
down
dr
drug
during
ebola
epidemic
even
example
far
federal
few
first
found
government
group
health
hiv
hospital
human
hundred
individuals
infection
kikwit
laboratory
later
leaders
less
local
long
los
medical
might
million
nation
national
new
now
number
patients
people
per
percent
physicians
plague
population
problem
programs
public
rates
region
research
russia
russian
scientists
since
soviet
spread
states
still
system
tb
though
thousand
three
time
treatment
two
united
use
vaccine
virus
war
water
white
world
years
york