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Top Search Keywords (External)

October 2008 - June 2009

Analysis: Below are the top 200 search keywords used while on external search engines such as Google, Yahoo or MSN. The ranked data below represents the specific keywords used on those search engines which led them to a CDC.gov page.

As of FY09 (Q3), "CDC" and "swine flu" were the top two search terms used by external search engines. Other newly used search terms included "swine flu symptoms" and "influenza porcina." 47% of the top remaining 20 search terms were STD related keywords used by visitors on external search engines who then arrived on a CDC.gov page.

pie chart depicting top external search terms to CDC.gov

Rank
Keywords (External)
Searches
1
cdc
4,439,106
2
swine flu
1,350,215
3
herpes
1,320,881
4
enfermedades de transmision sexual
1,298,348
5
hpv
988,462
6
chlamydia
892,220
7
swine flu symptoms
753,775
8
cdc.gov
650,855
9
std
622,789
10
gonorrhea
558,327
11
center for disease control
516,989
12
syphilis
482,294
13
sifilis
410,150
14
genital herpes
403,096
15
stds
325,094
16
gonorrea
318,008
17
scabies
317,689
18
influenza porcina
294,473
19
niosh
269,092
20
sexually transmitted diseases
264,320
21
flu
236,261
22
symptoms of swine flu
226,741
23
trichomoniasis
225,745
24
bmi
225,051
25
bmi calculator
217,805
26
lyme disease
211,425
27
rsv
209,936
28
bacterial vaginosis
203,497
29
clamidia
201,221
30
norovirus
199,591
31
meningitis
194,972
32
influenza
192,553
33
cdc swine flu
179,099
34
hand foot and mouth disease
174,489
35
herpes genital
174,234
36
salmonella
166,597
37
mrsa
157,820
38
centers for disease control
155,679
39
fetal alcohol syndrome
154,847
40
hiv
153,600
41
hepatitis b
152,562
42
h1n1 symptoms
147,241
43
birth certificate
147,048
44
chronic fatigue syndrome
146,660
45
giardia
143,931
46
rabies
143,215
47
flu symptoms
140,970
48
obesity
140,609
49
gripe porcina
133,632
50
lyme disease symptoms
132,736
51
std's
125,675
52
hepatitis c
122,605
53
www.cdc.gov
114,780
54
enfermedades sexuales
113,190
55
cdc website
112,439
56
malaria
107,400
57
pelvic inflammatory disease
106,708
58
viral meningitis
106,304
59
tuberculosis
104,744
60
national center for health statistics
101,584
61
hpv in men
101,343
62
hpv virus in women
98,621
63
hpv vaccine
97,259
64
cdc.com
97,059
65
rocky mountain spotted fever
95,871
66
adhd
94,653
67
h1n1
92,099
68
tricomoniasis
90,094
69
human papilloma virus
86,490
70
body mass index
86,364
71
mmwr
84,126
72
cholera
83,480
73
bird flu
82,509
74
cdc travel
82,185
75
pid
80,571
76
hepatitis
79,709
77
flu shot
77,895
78
hpv virus
75,975
79
flu more:condition_symptoms
75,765
80
childhood obesity
75,073
81
shingles vaccine
74,328
82
sars
74,115
83
ebola
73,575
84
adhd symptoms
73,567
85
west nile virus
72,822
86
leptospirosis
71,211
87
nhanes
67,628
88
growth chart
65,784
89
smallpox
65,175
90
cdc atlanta
64,426
91
enfermedades de transmisión sexual
64,334
92
tb
64,160
93
bv
63,304
94
trichomonas
62,777
95
life expectancy
61,548
96
flu shot side effects
61,276
97
cdc flu
60,689
98
avian flu
59,087
99
enfermedades de transmicion sexual
58,492
100
dengue fever
58,166
101
enfermedades
57,012
102
centers for disease control and prevention
56,219
103
toxoplasmosis
56,044
104
hiv transmission
55,294
105
yellow fever
54,827
106
chlamydia symptoms
54,770
107
diseases
53,382
108
bacterial meningitis
53,093
109
vre
52,680
110
birth certificates
52,000
111
swine flu update
51,369
112
fifth disease
50,378
113
flu shots
49,581
114
scarlet fever
49,142
115
mold
48,144
116
heart disease
47,663
117
adhd more:condition_symptoms
45,864
118
hand foot mouth disease
45,697
119
cdc growth charts
45,247
120
hantavirus
43,778
121
west nile virus symptoms
43,344
122
immunizations
43,192
123
h1n1 virus
42,520
124
diabetes
41,949
125
flu vaccine
41,932
126
tobacco
41,703
127
child development
41,638
128
atsdr
41,581
129
norwalk virus
41,063
130
breast cancer statistics
40,539
131
autism
40,254
132
vaginosis
40,021
133
growth charts
39,567
134
influenza symptoms
39,364
135
hepatitis a
39,235
136
typhoid fever
39,118
137
brfss
38,508
138
rotavirus
37,978
139
nchs
37,941
140
obesity statistics
37,544
141
genital warts
37,344
142
chronic diarrhea
37,274
143
hand foot and mouth
37,252
144
symptoms of chlamydia
37,085
145
epi info
36,709
146
flu map
36,628
147
vaccinations
36,627
148
cmv
36,600
149
hiv/aids
36,271
150
aids statistics
36,182
151
fiebre porcina
35,449
152
vph
35,261
153
peanut butter recall 2008
34,987
154
cat scratch fever
34,866
155
center of disease control
34,297
156
hanta virus
34,138
157
mental retardation
33,066
158
chronic fatigue
32,992
159
legionnaires disease
32,341
160
enfermedades transmision sexual
32,157
161
lice
32,115
162
symptoms of h1n1
31,911
163
symptoms of gonorrhea
31,817
164
infecciones de transmision sexual
31,733
165
std information
31,487
166
vaccines
31,457
167
body lice
31,424
168
std statistics
31,293
169
syphillis
31,180
170
swine flu cdc
31,125
171
hiv aids
31,108
172
clostridium difficile
30,757
173
typhoid
30,742
174
drunk driving
30,275
175
iron deficiency
30,268
176
what is hiv
29,580
177
birth defects
29,571
178
chlamydia more:condition_symptoms
29,559
179
kawasaki syndrome
29,506
180
smoking
29,408
181
botulism
29,382
182
brucellosis
29,344
183
varicella vaccine
29,080
184
ebola virus
28,964
185
cyanide
28,865
186
fifths disease
28,790
187
influenza a
28,785
188
h1n1 flu
28,776
189
dengue
28,414
190
flu symptoms 2009
28,278
191
vital statistics
27,981
192
center for disease control and prevention
27,852
193
leading causes of death
27,794
194
lymes disease
27,584
195
h1n1 flu symptoms
27,427
196
divorce statistics
27,001
197
infection control
26,957
198
suicide
26,744
199
tetanus
26,388
200
aids
26,178
USA.gov: The U.S. Government's Official Web PortalDepartment of Health and Human Services
Centers for Disease Control and Prevention   1600 Clifton Rd. Atlanta, GA 30333, USA
800-CDC-INFO (800-232-4636) TTY: (888) 232-6348, 24 Hours/Every Day - cdcinfo@cdc.gov

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