WHO vaccine-preventable diseases: monitoring system. 2015 global summary

Last updated 15-Jul-2015 (Data received as of 10-Jul-2015)
Next overall update Fall 2015
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Development status: Developing GNI / capita (US$): 4'2801 Infant (under 12 months) mortality rate: 112
GDP / capita (US$): 5'2011 Child (under 5 years) mortality rate: 132

Population data in thousands3

  2014  2013  2012  2011  2010  2000  1990  1980 
Total population 106  105  105  105  104  98  95  93 
Births
Surviving infants
Pop. less than 5 years 13  13  14  14  14  13  13  13 
Pop. less than 15 years 39  39  39  39  39  38  38  39 
Female 15-49 years 25  25  25  25  25  23  22  21 

Number of reported case

(Click for retrospective incidence data for Tonga)
Diphtheria
Japanese encephalitis
Measles 65  2'336 
Mumps
Pertussis
Polio*
Rubella
Rubella (CRS)
Tetanus (neonatal)
Tetanus (total)**
Yellow fever
* Polio refers to all polio cases (indigenous or imported), including polio cases caused by vaccine derived polio viruses (VDPV). For desagregated data please click on this hyperlink: https://extranet.who.int/polis/public/CaseCount.aspx
it does not include cases of vaccine-associated paralytic polio (VAPP) and cases of non polio acute flaccid paralysis [AFP]).
** Neonatal Tetanus and Total Tetanus cases equality may be the result from a lack of non-Neonatal Tetanus surveillance system.

Percentage target population vaccinated by antigen

Hovering over an antigen reveals its fuller definition
  Most recent coverage survey4  

Official country estimates5

  (Click for retrospective coverage estimates data for Tonga)
Vaccine year result method % card seen                                                
BCG 2011  89  DHS   48  99*  95  99*  99  99  99  99 
DTP1 2011  86  DHS   48  99*  95  99*  99  99 
DTP3 2011  66  DHS   48  99*  95  99*  99  95  94  40 
DTP4         
IPV1         
HepB_BD          99*  95  99*  99  99* 
HepB3 2011  66  DHS   48  99*  95  99*  99  97  94 
Hib3 2011  66  DHS   48  99*  95  99*  99 
JapEnc         
MCV1          99*  95  99  99  86 
MCV2          99*  95  99  98 
PCV1         
PCV3         
Pol3 2011  68  DHS   48  99*  95  99*  99  95  93  20 
Rota1         
Rota_last         
Rubella1          99*  95  99  99 
TT2plus 2011  41  DHS   48  98  95  98  98  94  65 
PAB         
VAD1         
YFV         
  ° indicates that more than 1 survey occurred that year

  Next update: Mid July 2016

WHO-UNICEF estimates6

  (Click for full retrospective WHO-UNICEF coverage estimates data for Tonga)
BCG 89  89  84  89  89  97  99  99 
DTP1 86  86  81  86  86  99  97  65 
DTP3 82  82  77  82  82  91  94  40 
HepB3 82  82  77  82  82  93  94 
HepB_BD 89  89  84  89  88  89 
Hib3 82  82  77  82  81 
MCV1 67  67  62  66  68  88  86 
MCV2 67  67  62  66  67 
PCV3
Pol3 84  84  79  84  84  91  93  20 
Rota_last

Number of districts in the country Proportion of
districts reporting
DTP3 coverage:
% of coverage reports received at national
level vs number of reports expected
100 
   
/
|
|
\
Greater or equal to 90% 0
From 80 to 89%
From 50 to 79%
Less than 50%
Proportion of districts
not reporting DTP3 coverage
100
 

Immunization Schedule (2014 or latest available)

Hovering over an antigen reveals its fuller definition
Vaccine Schedule Entire country Comment
BCG birth; Yes
DTwP 18 months; 5-6 years; Yes
DTwPHibHepB 6, 10, 14 week: Yes
HepB birth; Yes
MR 12, 18 months; Yes
OPV 6, 10, 14 weeks; Yes
Td 16 years; Yes

Immunizaton indicators

Indicator Expected answer 2014  2013  2012  2011  2010  2009  2008 

Planning and management

Has the country a Multi-Year Plan (MYP) for immunization? Yes/No/NR   No  Yes  Yes  Yes  Yes  Yes 
What years does the MYP cover? number     2012-2014  2009-2013  2009 - 2012  2009-2012  2009 - 2012 
Nº of districts with microplans that include activities to raise immunization coverage number   35 

System performance

Total Nº districts in country number  
Nº districts with DTP3 coverage >=80% number  
% of districts with DTP3 coverage >=80% From 0 to 100%   100  100  100  100  100 
Nº districts with measles (MCV1) coverage >=95% number    
% of districts with MCV1 coverage >=95% From 0 to 100%     100  100  100  100  100 

Safety

Has the country a vaccine adverse events review committee? Yes/No/NR/ND   No  No  Yes  Yes     
Is there a national system to monitor adverse events following immunization (AEFI)? Yes/No/NR   Yes  Yes  Yes  Yes  Yes  Yes 

Finance

Immunization expenditure financed, using Government funds? From 0 to 100%     100  80  100  80 

National Immunization Advisory Mechanism

Has the country a standing technical advisory group on immunization (NITAG)? Yes/No/NR   No  Yes  Yes  Yes     

Sources

 1  "The 2015 World Bank Development Indicators Online", GDP per capita is PPP adjusted.
 2  World Health Statistics 2013, data for 2012
 3  "United Nations, Population Division. The World Population Prospects - the 2012 revision". New York, 2013.
 4  UNICEF/WHO survey database
 5  If no official estimate is available, the administrative coverage is reported. '*' indicates coverage over 99.5%.
 6  WHO-UNICEF estimates.