DPH: Zika Virus Statistics

Zika Virus Statistics


{ZikaMosquito}

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 May 24, 2017

1,613
 Number of Patients with Final Results    
1,195
 Number of Pregnant Patients with Final Results
115
 Number of Patients with Positive Results for Zika Virus
7
 Number of Pregnant Patients with Positive Results for Zika Virus
55
 Number of Patients with Positive Results for Flavivirus*
42
 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 - May 24, 2017

 Countries/Territories of Exposure
Zika Positive  Flavivirus Positive* Total
 Aruba 
    11
 Bahamas
1
 
1
 Barbados
1
 
1
 Belize
2
 
2
 Bonaire
1
  
1
 Brazil
   
2
2
 British Virgin Islands
2
  
2
 Colombia
2
2
4
 Curacao
1
  
1
 Dominican Republic
27
10
37
 Ecuador
 
1
1
 El Salvador
    
1
1
 Guatemala
3
7
10
 Guyana
 
1
1
 Haiti
1
9
10
 Honduras
2
3
5
 Jamaica
13
4
17
 Mexico
6
2
8
 Nicaragua
2
 
2
 Panama
1
  
1
 Puerto Rico
37
7
44
 St. Lucia
4
2
6
 St. Maarten
2
  
2
 St. Martin
1
  
1
 Trinidad and Tobago
2
  
2
 United States of America
1
  
1
 U.S. Virgin Islands
2
 
2
 Venezuela
1
3
4
 Total 
115
55
170


*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 - May 24, 2017

 Countries/Territories of Exposure
Zika Positive  Flavivirus Positive* Total
 Aruba 
    11
 Brazil
  
1
1
 Colombia
 
1
1
 Dominican Republic
2
6
8
 Ecuador
 
1
1
 El Salvador
   
1
1
 Guatemala
 
7
7
 Haiti
1
9
10
 Honduras
1
2
3
 Jamaica
2
3
5
 Mexico
1
2
3
 Puerto Rico
 
4
4
 St. Lucia
 
1
1
 Venezuela
 
3
3
 Total 
7
42
49

*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 -
May 24, 2017

{Zika Positive Results by Month}


Figure 2. Number of Pregnant Patients with Positive Zika or Flavivirus Test Results by
Month of Specimen Collection - Connecticut, February 15, 2016 - May 24, 2017

{Zika or Flavivirus Positive Pregnancy}



Table 3. Pregnancy Outcomes of Women Who Tested Positive for Zika or Flavivirus by Baby Test Results - Connecticut, February 15, 2016 - May 24, 2017

 Outcome
Number of Babies Number of Babies Tested Number of Babies Positive
 Live Birth
40200
 Stillborn*
0
-
-
 Miscarriage*
1
0
-
 Terminated*
1
0
-
 Still Pregnant
3
-
-
 Unknown
4
-
-
 Total
49
20
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, February 15, 2016 - May 24, 2017

 Mother Test Result
 Number of Babies Tested Number of Babies Positive
 Positive
10
 Negative
1
0
 Not Tested
2
0
 Unknown
0
-
 Total
4
0











To contact the Epidemiology and Emerging Infections Program, please call 860-509-7994.







Content Last Modified on 6/1/2017 2:25:36 PM