Zika Virus Statistics
In Connecticut, surveillance for Zika virus began on February 15, 2016. No locally acquired cases have been reported. The following annual statistics are preliminary and are current as of the date shown.
Zika Virus Testing, Cumulative Results
Current as of October 18, 2017
|
1,890
|
Number of Patients with Final Results |
|
1,413
|
Number of Pregnant Patients with Final Results |
|
122
|
Number of Patients with Positive Results for Zika Virus |
|
10
|
Number of Pregnant Patients with Positive Results for Zika Virus |
|
63
|
Number of Patients with Positive Results for Flavivirus* |
|
49
|
Number of Pregnant Patients with Positive Results for Flavivirus* |
Table 1. Number of Total Patients with Positive Zika or Flavivirus Test Results by
Country or Territory of Exposure - Connecticut, February 15, 2016 - October 18, 2017
|
Countries/Territories of Exposure
|
Zika Positive | Flavivirus Positive* | Total |
|
Aruba
|
0 | 1 | 1 |
| Bahamas |
1
|
0
|
1
|
| Barbados |
1
|
0
|
1
|
| Belize |
2
|
0 |
2
|
| Bonaire |
1
|
0 |
1
|
| Brazil |
0
|
2
|
2
|
| British Virgin Islands |
2
|
0 |
2
|
| Colombia |
2
|
2
|
4
|
| Costa Rica | 2 | 0 | 2 |
| Cuba | 1 | 0 | 1 |
| Curacao |
1
|
0 |
1
|
| Dominican Republic |
27
|
11
|
38
|
| Ecuador | 0 |
1
|
1
|
| El Salvador |
0
|
1
|
1
|
| Guatemala |
3
|
9
|
12
|
| Guyana |
1
|
1
|
2
|
| Haiti |
1
|
9
|
10
|
| Honduras |
3
|
3
|
6
|
| India | 0 | 1 | 1 |
| Jamaica |
13
|
4
|
17
|
| Mexico |
6
|
2
|
8
|
| Nicaragua |
2
|
0 |
2
|
| Panama |
1
|
0 |
1
|
|
Puerto Rico
|
39 |
10
|
49 |
| St. Lucia |
4
|
2
|
6
|
| St. Maarten |
2
|
0 |
2
|
| St. Martin |
1
|
0 |
1
|
| Trinidad and Tobago |
2
|
0 |
2
|
| United States of America |
1
|
0 |
1
|
| U.S. Virgin Islands |
2
|
0 |
2
|
| Venezuela |
1
|
3
|
4
|
| Vietnam | 0 | 1 | 1 |
|
Total
|
122 |
63
|
185 |
*Test results unable to distinguish between Zika virus, a single-stranded RNA virus in the genus Flavivirus, and others that are closely related including dengue, West Nile, Japanese encephalitis, and yellow fever viruses1. A positive test may mean infection with any of these viruses.
1. CDC. Interim Guidance for Interpretation of Zika Virus Antibody Test Results. MMWR. May 31, 2016. Accessed June 1, 2016.
Table 2. Numbers of Pregnant Patients with Positive Zika or Flavivirus Test Results by
Country or Territory of Exposure - Connecticut, February 15, 2016 - October 18, 2017
|
Countries/Territories of Exposure
|
Zika Positive | Flavivirus Positive* | Total |
|
Aruba
|
0 | 1 | 1 |
| Brazil |
0
|
1
|
1
|
| Colombia |
0
|
1
|
1
|
| Dominican Republic |
2
|
7
|
9
|
| Ecuador |
0
|
1
|
1
|
| El Salvador |
0
|
1
|
1
|
| Guatemala |
0
|
9
|
9
|
| Guyana | 1 | 0 | 1 |
| Haiti |
1
|
9
|
10
|
| Honduras |
2
|
2
|
4
|
| Jamaica |
2
|
3
|
5
|
| Mexico |
1
|
2
|
3
|
|
Puerto Rico
|
1 |
7
|
8 |
| St. Lucia |
0
|
1
|
1
|
| Venezuela |
0
|
3
|
3
|
|
Total
|
10 |
49
|
59 |
*Test results unable to distinguish between Zika virus, a single-stranded RNA virus in the genus Flavivirus, and others that are closely related including dengue, West Nile, Japanese encephalitis, and yellow fever viruses1. A positive test may mean infection with any of these viruses.
1. CDC. Interim Guidance for Interpretation of Zika Virus Antibody Test Results. MMWR. May 31, 2016. Accessed June 1, 2016.
Figure 1. Number of Patients with Positive Zika Virus Test Result by
Test Type and Month of Specimen Collection - Connecticut, February 15, 2016 - October 18, 2017
Test Type and Month of Specimen Collection - Connecticut, February 15, 2016 - October 18, 2017
Figure 2. Number of Pregnant Patients with Positive Zika or Flavivirus Test Results by
Month of Specimen Collection - Connecticut, February 15, 2016 - October 18, 2017
Table 3. Pregnancy Outcomes of Women Who Tested Positive for Zika or Flavivirus by Baby Test Results - Connecticut, October 18, 2016 - May 24, 2017
|
Outcome
|
Number of Babies | Number of Babies Tested | Number of Babies Positive |
|
Live Birth
|
51 | 31 | 0 |
| Stillborn* |
0
|
-
|
-
|
| Miscarriage* |
1
|
0
|
-
|
| Terminated* |
1
|
0
|
-
|
| Still Pregnant |
3
|
-
|
-
|
| Unknown |
3
|
-
|
-
|
| Total |
59
|
31
|
0
|
*Definitions: Stillborn = baby born dead; Miscarriage = baby lost prior to 20 weeks of pregnancy; Terminated = pregnancy ended voluntarily.
Table 4. Babies With Birth Defects Born to Zika or Flavivirus Exposed Mothers by Test Results - Connecticut, October 18, 2016 - May 24, 2017
|
Mother Test Result
|
Number of Babies Tested | Number of Babies Positive |
|
Positive
|
3 | 0 |
| Negative |
3
|
0
|
| Not Tested |
6
|
0
|
| Unknown |
2
|
-
|
| Total |
14
|
0
|
To contact the Epidemiology and Emerging Infections Program, please call 860-509-7994.