Findings

What do systematic reviews say?

583 questions · 638 findings · 60 reviews · Infectious Diseases

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No studies found 54 · 8.5%GRADE not reported 98 · 15.4%Very low 118 · 18.5%Low 141 · 22.1%Moderate 141 · 22.1%High 86 · 13.5%

Intervention not reported

Larval sites positive for immature vector stages Quasi‐experimental studies · people living in malaria‐endemic areas

1 finding from 1 review

Larvivorous fish for preventing malaria transmission 2017 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
Low

Vitamin D vs control

All‐cause mortality · children under 5 years of age

1 finding from 1 review

Vitamin D supplementation for preventing infections in children under five years of age 2016 · Cochrane Headline outcomes only
no estimate extracted
1 study · 3046 participants
Low

Vitamin D vs control

Cause‐specific mortality · children under 5 years of age

1 finding from 1 review

Vitamin D supplementation for preventing infections in children under five years of age 2016 · Cochrane Headline outcomes only
no estimate extracted
1 study · 3046 participants
Low

Vitamin D vs control

Incidence rate radiologically confirmed first or only episode of pneumonia · children under 5 years of age

1 finding from 1 review

Vitamin D supplementation for preventing infections in children under five years of age 2016 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 3134 participants
Moderate

Vitamin D vs control

Hospital admissions · children under 5 years of age

1 finding from 1 review

Vitamin D supplementation for preventing infections in children under five years of age 2016 · Cochrane Headline outcomes only
no estimate extracted
1 study · 88 participants
Very low

Vitamin D vs control

TB cases · children under 5 years of age

1 finding from 1 review

Vitamin D supplementation for preventing infections in children under five years of age 2016 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Vitamin D vs control

Diarrhoea · children under 5 years of age

1 finding from 1 review

Vitamin D supplementation for preventing infections in children under five years of age 2016 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 7 participants
GRADE not reported

Vitamin D vs control

Malaria cases · children under 5 years of age

1 finding from 1 review

Vitamin D supplementation for preventing infections in children under five years of age 2016 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Vitamin D vs control

Febrile illness · children under 5 years of age

1 finding from 1 review

Vitamin D supplementation for preventing infections in children under five years of age 2016 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Vitamin D vs control

Mean serum vitamin D concentrations · children under 5 years of age

1 finding from 1 review

Vitamin D supplementation for preventing infections in children under five years of age 2016 · Cochrane Headline outcomes only
no estimate extracted
4 studies · 266 participants
Low

Intervention not reported

Diarrhoea episodes · adults and children

The intervention may leads to lower diarrhoea episodes (low certainty).

1 finding from 1 review

Interventions to improve water quality for preventing diarrhoea 2015 · Cochrane Headline outcomes only
RR 0.77 [0.65, 0.91]
14 studies · 30746 participants
Low

Intervention not reported

Vector density · People at risk of cutaneous leishmaniasis (CL) or visceral leishmaniasis (VL)

1 finding from 1 review

Vector and reservoir control for preventing leishmaniasis 2015 · Cochrane Headline outcomes only
no estimate extracted
4 studies · 4 participants
Moderate

Intervention not reported

Vector density · People at risk of CL or VL

1 finding from 1 review

Vector and reservoir control for preventing leishmaniasis 2015 · Cochrane Headline outcomes only
no estimate extracted
1 study · 1 participants
Very low

Intervention not reported

CL cases > 12 months · People at risk of CL or VL

The intervention may leads to lower CL cases > 12 months (low certainty).

1 finding from 1 review

Vector and reservoir control for preventing leishmaniasis 2015 · Cochrane Headline outcomes only
RR 0.34 [0.2, 0.57]
1 study · 2784 participants
Low

Intervention not reported

VL cases > 2 years · People at risk of CL or VL

1 finding from 1 review

Vector and reservoir control for preventing leishmaniasis 2015 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Intervention not reported

Vector density · People at risk of CL or VL

1 finding from 1 review

Vector and reservoir control for preventing leishmaniasis 2015 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Intervention not reported

CL cases > 12 months · People at risk of CL or VL

The intervention showed no clear difference in CL cases > 12 months (low certainty).

1 finding from 1 review

Vector and reservoir control for preventing leishmaniasis 2015 · Cochrane Headline outcomes only
RR 0.4 [0.13, 1.2]
2 studies · 558 participants
Low

Intervention not reported

VL cases > 2 years · People at risk of CL or VL

1 finding from 1 review

Vector and reservoir control for preventing leishmaniasis 2015 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Intervention not reported

Vector density · People at risk of CL or VL

1 finding from 1 review

Vector and reservoir control for preventing leishmaniasis 2015 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Intervention not reported

CL cases 12 months · People at risk of CL or VL

It is very uncertain whether the intervention changes CL cases 12 months (very low certainty).

1 finding from 1 review

Vector and reservoir control for preventing leishmaniasis 2015 · Cochrane Headline outcomes only
RR 0.42 [0.13, 1.41]
1 study · 3631 participants
Very low