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

Last updated 15-July-2017 (data as of 11-July-2017)
Next overall update Fall-2017
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Development status: Least developed GNI / capita (US$): 6301 Infant (under 12 months) mortality rate: 872
GDP / capita (US$): 1'5911 Child (under 5 years) mortality rate: 1202

Population data in thousands3

  2016  2015  2014  2013  2012  2000  1990  1980 
Total population 7'396  7'237  7'079  6'922  6'766  4'564  4'312  3'365 
Births 259  258  257  257  256  214  197  162 
Surviving infants 238  236  234  233  231  184  166  137 
Pop. less than 5 years 1'141  1'135  1'128  1'123  1'118  810  772  603 
Pop. less than 15 years 3'137  3'093  3'048  3'002  2'952  2'034  1'937  1'459 
Female 15-49 years 1'819  1'770  1'722  1'674  1'628  1'065  971  767 

Number of reported cases

(Click for retrospective incidence data for Sierra Leone)
Diphtheria
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Japanese encephalitis
 
Measles
ChartChart ChartChart
  920  607  1'006  15  678  3'575  830  3'625 
Mumps
ChartChart
 
Pertussis
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  1'619 
Polio*
ChartChart
  34  38  11 
Rubella
ChartChart
  97  10 
Rubella (CRS)
ChartChart
 
Tetanus (neonatal)
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  11  23  36  26 
Tetanus (total)**
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  11  36  103  871 
Yellow fever
ChartChart
  94 
* 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 Sierra Leone)
Vaccine year result method % card seen                                                
BCG 2012  96  DHS   73  92  90  90  99  97  39  98  36 
DTP1 2012  94  DHS   73  97  95  88  98  91  33 
DTP3 2012  78  DHS   73  84  86  83  92  91  24  83  13 
DTP4         
IPV1         
HepB_BD         
HepB3 2012  78  DHS   73  84  86  83  92  91 
Hib3 2012  78  DHS   73  84  86  83  92  91 
JapEnc         
MCV1          85  78  80  85  88  43  75  36 
MCV2          50  60 
MenA         
PCV1          97  95  88  98  80 
PCV2          89  87  85  95  80 
PCV3 2012  92  EPI   93  84  86  83  92  80 
Pol3 2012  78  DHS   73  84  86  83  92  91  26  83 
Rota1          97  90  85 
RotaC          95  85  70 
RCV1         
TT2plus 2012  81  EPI   93  94  92  90  81  60  20  81 
PAB          91  99*  81 
VAD1          87  85  80  88  99* 
YFV 2012  84  EPI   93  80  78  80  85  88 
* 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 Sierra Leone)
BCG
  92  90  90  99  98  74 
DTP1
  97  95  88  98  98  64 
DTP3
  84  86  83  92  91  44 
HepB3
  84  86  83  92  91 
HepB_BD
 
Hib3
  84  86  83  92  91 
IPV1
 
MCV1
  83  76  78  83  84  37 
MCV2
  50  60 
PCV3
  84  86  83  92  92 
Pol3
  84  86  83  92  91  46 
RCV1
 
RotaC
  95  85  53 
YFV
  80  78  80  85  85 

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

Number of districts in the country 14  Proportion of
districts reporting
DTP3 coverage:
% of coverage reports received at national
level vs number of reports expected
100 
   
/
|
|
\
Greater or equal to 90% 79
From 80 to 89% 7
From 50 to 79% 14
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
DTwPHibHepB 6, 10, 14 weeks; Yes
HPV 9 years (2 doses); From October 2018
IPV 14 weeks; Yes From May 2018
Measles 9, 15 months; Yes
MR 9, 15 months; Yes From November 2018
OPV birth; 6, 10, 14 weeks; Yes
Pneumo_conj 6, 10, 14 weeks; Yes
Rotavirus 6, 10 weeks; Yes
TT 1st contact; +1, +6 months; +1, +1 year; Yes
VitaminA 6, 12, 18, 24, 30, 36 months; Yes
YF 9 months; 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 Yes  Yes  Yes  Yes  Yes  Yes  Yes 
What years does the MYP cover? number 2012-2016  2012-2016  2012-2016  2012-2016  2012-2017  2012 - 2016  2007 - 2011 
Nº of districts with microplans that include activities to raise immunization coverage number 14  14  14  14  14  14  14 

System performance

Total Nº districts in country number 14  14  14  14  14  14  14 
Nº districts with DTP3 coverage >=80% number 12  10  13  13  14  13  11 
% of districts with DTP3 coverage >=80% From 0 to 100% 86  71  93  93  100  93  79 
Nº districts with measles (MCV1) coverage >=95% number
% of districts with MCV1 coverage >=95% From 0 to 100% 50  29  29  36  29  21  36 

Safety

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

Finance

% of Immunization expenditure financed, using Government funds? From 0 to 100% 25  22     

National Immunization Advisory Mechanism

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