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Do Childhood Measles and DTaP Vaccination Decrease the Mortality Rate Caused by COVID-19 in OECD Countries?

Do Childhood Measles and DTaP Vaccination Decrease the Mortality Rate Caused by SARS CoV-2 in OECD Countries?

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT04468802
Enrollment
32
Registered
2020-07-13
Start date
2020-02-01
Completion date
2020-07-01
Last updated
2020-07-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Covid19, Measles Vaccine, Mortality

Brief summary

Mortality rates caused by SARS CoV-2 differ between countries and this difference might be explained by several reasons. Childhood vaccination rate is thought to be one of them. Therefore present study aimed to examine the possible relationship between DTaP (diphtheria, tetanus, pertussis) and measles vaccination rates of Organization for Economic Co-operation and Development (OECD) countries and case fatality rate (CFR) caused by SARS CoV-2.

Detailed description

The mortality rates caused by SARS CoV-2 differ between countries and this difference might be explained by several reasons. Childhood vaccination rate is thought to be one of them. Therefore present study aimed to examine the possible relationship between DTaP (diphtheria, tetanus, pertussis) and measles vaccination rates of Organization for Economic Co-operation and Development (OECD) countries and case fatality rate (CFR) caused by SARS CoV-2.A total of 32 OECD countries, of northern hemisphere, have been included in this study. Statistical analysis performed according to the CFR data of these countries based on SARS CoV-2. The CFR data calculated according to the total mortality count of a specific country for the 3-month period down from the date when first SARS CoV-2 case was observed.

Interventions

OTHERCase fatality rate

Mortality rate caused by SARS CoV-2

Sponsors

Kanuni Sultan Suleyman Training and Research Hospital
Lead SponsorOTHER

Study design

Observational model
CASE_ONLY
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Healthy volunteers
Yes

Inclusion criteria

* Children vaccinated in OECD countries in northern hemisphere

Exclusion criteria

* Non vaccinated children * Southern hemisphere countries * non-OECD countries

Design outcomes

Primary

MeasureTime frameDescription
Case Fatality Rate4 monthsMortality rate caused by SARS CoV-2

Countries

Turkey (Türkiye)

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026