Small Animal Care & Management - Fourth Edition - 28

Section I

Ā© 2016 Cengage LearningĀ®

Reported Cases of Lyme Disease-United States, 2011

1 dot placed randomly within county of residence for each confirmed case

This figure shows the number and location of reported cases of
Lyme disease in the United States in 2011.

Figure 2-15

Source: Centers for Disease Control and Prevention (CDC).

These two ticks of the Ixodes species are associated
with the transmission of the Lyme disease organism, Borrelia burgdorferi, to
humans. (A) black-legged tick, and (B) Western black-legged tick.

Figure 2-16a and 16B

CDC/Dr. Amanda Loftis, Dr. William Nicholson, Dr. Will Reeves,
Dr. Chris Paddock, Photo Credit - James Gathany

The CDC recently reported that there could be ten times more cases of
Lyme disease than are reported. Many cases are misdiagnosed and doctors
fail to report cases to the CDC. If the estimates are accurate, there may be
as many as 300,000 cases of Lyme disease per year, making it the second
most-commonly reported infectious disease. (Chlamydia is number one, at
1.4 million infections per year.)
Two species of ticks have now been recognized as carriers of the infectious bacteria Borrelia burgdurferi and can bite and infect humans. See
Figures 2-16A, 16B, and 2-17. The black-legged tick (or deer tick, Ixodes
scapularis) spreads the disease in the Northeastern, Mid-Atlantic, and

CDC/James Gathany, William Nicholson,
Photo Credit - James Gathany

28



Table of Contents for the Digital Edition of Small Animal Care & Management - Fourth Edition

Contents
Small Animal Care & Management - Fourth Edition - Cover1
Small Animal Care & Management - Fourth Edition - Cover2
Small Animal Care & Management - Fourth Edition - iii
Small Animal Care & Management - Fourth Edition - iv
Small Animal Care & Management - Fourth Edition - Contents
Small Animal Care & Management - Fourth Edition - vi
Small Animal Care & Management - Fourth Edition - vii
Small Animal Care & Management - Fourth Edition - viii
Small Animal Care & Management - Fourth Edition - ix
Small Animal Care & Management - Fourth Edition - x
Small Animal Care & Management - Fourth Edition - xi
Small Animal Care & Management - Fourth Edition - xii
Small Animal Care & Management - Fourth Edition - xiii
Small Animal Care & Management - Fourth Edition - xiv
Small Animal Care & Management - Fourth Edition - xv
Small Animal Care & Management - Fourth Edition - xvi
Small Animal Care & Management - Fourth Edition - xvii
Small Animal Care & Management - Fourth Edition - xviii
Small Animal Care & Management - Fourth Edition - xix
Small Animal Care & Management - Fourth Edition - xx
Small Animal Care & Management - Fourth Edition - xxi
Small Animal Care & Management - Fourth Edition - xxii
Small Animal Care & Management - Fourth Edition - 1
Small Animal Care & Management - Fourth Edition - 2
Small Animal Care & Management - Fourth Edition - 3
Small Animal Care & Management - Fourth Edition - 4
Small Animal Care & Management - Fourth Edition - 5
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