COVID-19 study for vaccinated and unvaccinated persons over 16

COVID-19 study for vaccinated and unvaccinated persons over 16 - eCOV study

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00025169

Enrollment

2881

Registered

2021-08-13

Start date

2021-05-05

Completion date

Unknown

Last updated

2025-04-07

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

Conditions

U07.2

Interventions

Group 1: unvaccinated cohort. Basic characteristics documented at the start of the study. Weekly questions about symptoms or SARS-COV-2 testing, four-week questions about vaccination, side effects and

Eligibility

Sex/Gender

All

Age

16 Years to No maximum

Inclusion criteria

Inclusion criteria: All participants with a minimum age of 18 years who agree to participate in the study and can successfully register in the web-based study app are eligible to participate.

Exclusion criteria

Exclusion criteria: No internet access. Not proficient in German or English.

Design outcomes

Primary

Measure	Time frame
Effectiveness of SARS-CoV-2 vaccines against laboratory-confirmed (PCR or rapid test) SARS-CoV-2 infection, regardless of any presenting symptomatology.	—

Secondary

Measure	Time frame
Effectiveness of SARS-CoV-2 vaccines against - a symptomatic, COVID-19-type illness. - a symptomatic, laboratory-confirmed SARS-CoV-2 infection. (PCR or rapid smear) - against a severe SARS-CoV-2 infection (as defined by the Seeking medical attention). Occurrence of any adverse reactions possibly associated with the SARS-CoV-2 vaccines. associated side effects.	—

Countries

Germany

Contacts

Public ContactCornelius Remschmidt

Data4Life gGmbH

cornelius.remschmidt@data4life.care+49 1727179114

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026