Prospective Study on COVID -19 Reinfection on Vaccinated and Non-vaccinated Outpatients

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT06544369

Enrollment

200

Registered

2024-08-09

Start date

2021-11-20

Completion date

2022-01-18

Last updated

2024-08-09

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

Conditions

COVID-19 Pandemic

Brief summary

the aim of the study is to compare the severity of symptoms in case of reinfection with COVID-19. the study will compare between two groups; vaccinated and non vaccinated. the side effects from vaccination and symptoms of infection and reinfection will be reprted.

Interventions

BIOLOGICALCOVID-19 vaccin

injection

Study design

Observational model

COHORT

Time perspective

PROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

18 Years to 60 Years

Healthy volunteers

Yes

Inclusion criteria

* clinically diagnosed with COVID infection * take any type of vaccines

Exclusion criteria

* no accept sharing * not vaccinated with COVID vaccine

Design outcomes

Primary

Measure	Time frame
percent of reinfection with COVID-19 in vaccinated and non vaccinated	one year

Secondary

Measure	Time frame
scoring of symptoms in case of reinfection in vaccinated and non vaccinated	one year

Countries

Egypt

Outcome results

None listed

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