WHO vaccine-preventable diseases: monitoring system. 2017 global summary

Last updated 06-Sep-2017 (data as of 05-Sep-2017)
Next overall update 2018
EPI mother and child logo         
Select a country

Development status: Developing GNI / capita (US$): 1 Infant (under 12 months) mortality rate: 142
GDP / capita (US$): 1 Child (under 5 years) mortality rate: 172

Population data in thousands3

  2016  2015  2014  2013  2012  2000  1990  1980 
Total population 107  106  106  105  105  98  95  93 
Births
Surviving infants
Pop. less than 5 years 13  13  13  13  14  13  13  13 
Pop. less than 15 years 39  39  39  39  39  38  37  39 
Female 15-49 years 25  25  25  25  25  23  22  21 

Number of reported cases

(Click for retrospective incidence data for Tonga)
Diphtheria
ChartChart
 
Japanese encephalitis
 
Measles
ChartChart ChartChart
  65  2'336 
Mumps
ChartChart
 
Pertussis
ChartChart
 
Polio*
ChartChart
 
Rubella
ChartChart
 
Rubella (CRS)
ChartChart
 
Tetanus (neonatal)
ChartChart
 
Tetanus (total)**
ChartChart
 
Yellow fever
 
* Polio refers to all polio cases (indigenous or imported), including polio cases caused by vaccine derived polio viruses (VDPV). For disaggregated 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  91  91  95  99*  95  99  99  99 
DTP1 2011  86  DHS   48  97  99*  95  99*  95  99 
DTP3 2011  66  DHS   48  96  96  95  99*  95  95  94  40 
DTP4          96  99*  95 
IPV1          96  34  95 
HepB_BD          91  92  95  99*  95  99* 
HepB3 2011  66  DHS   48  96  96  95  99*  95  97  94 
Hib3 2011  66  DHS   48  96  96  95  99*  95 
JapEnc         
MCV1          98  99  95  99*  95  86 
MCV2          99  99  95  99*  95 
MenA         
PCV1         
PCV2         
PCV3         
Pol3 2011  68  DHS   48  96  96  95  99*  95  95  93  20 
Rota1         
RotaC         
RCV1          98  99  95  99*  95 
TT2plus 2011  41  DHS   48  97  99  95  98  95  94  65 
PAB         
VAD1         
YFV         
* indicates the country reported above 100% coverage.

  Next update: Mid-July 2018

WHO-UNICEF estimates6

  (Click for full retrospective WHO-UNICEF coverage estimates data for Tonga)
BCG
ChartChart
  80  80  89  89  84  97  99  99 
DTP1
ChartChart
  83  86  86  86  81  99  97  65 
DTP3
ChartChart
  78  78  80  82  77  91  94  40 
HepB3
ChartChart
  78  78  80  82  77  93  94 
HepB_BD
ChartChart
  80  81  89  89  84  89 
Hib3
ChartChart
  78  78  80  82  77 
IPV1
  82  34 
MCV1
ChartChart
  84  85  85  86  81  92  86 
MCV2
ChartChart
  85  85  78  86  81 
PCV3
 
Pol3
ChartChart
  80  80  82  84  79  91  93  20 
RCV1
ChartChart
  84  85  85  86  81 
RotaC
 

Click for WHO-UNICEF coverage estimates data for PAB time series.

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% 100
From 80 to 89% 0
From 50 to 79% 0
Less than 50% 0
Proportion of districts
not reporting DTP3 coverage
0
DTP3 reported coverageDTP3 reported coverage

Immunization Schedule (2016 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_Pediatric birth; Yes
IPV 14 weeks; Yes
MR 12, 18 months; Yes
OPV 6, 10, 14 weeks; Yes
Td 16 years; Yes

Immunizaton indicators

Indicator Expected answer 2016  2015  2014  2013  2012  2011  2010 

Planning and management

Has the country a Multi-Year Plan (MYP) for immunization? Yes/No/NR No  No  No  No  Yes  Yes  Yes 
What years does the MYP cover? number         2012-2014  2009-2013  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  No  No  No  Yes  Yes 
Is there a national system to monitor adverse events following immunization (AEFI)? Yes/No/NR Yes  No  Yes  Yes  Yes  Yes  Yes 

Finance

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

National Immunization Advisory Mechanism

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

Sources

 1  "The 2017 World Bank Development Indicators Online", GDP per capita is PPP adjusted.
 2  World Health Statistics 2016, data for 2015
 3  "United Nations, Population Division. The World Population Prospects - the 2017 revision". New York, 2017.
 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.