Had COVID-19 Spread in Nagasaki Prefecture before the first confirmed case?

Had COVID-19 Spread in Nagasaki Prefecture before the first confirmed case? - Had COVID-19 Spread in Nagasaki Prefecture before the first confirmed case?

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000040278

Enrollment

182

Registered

2020-05-08

Start date

2020-06-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

COVID-19

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Nasopharyngeal swabs obtained for diagnosis of Influenzavirus infections between November 2019 and March 13 2020.

Exclusion criteria

Exclusion criteria: 1. Sample was not stored below -20 Celsius 2. Sample volume was 20 microliter or less

Design outcomes

Primary

Measure	Time frame
Detection rate of SARS-CoV-2 in the residual nasopharyngeal swabs obtained between November 2019 and March 13 2020.	—

Countries

Japan

Contacts

Public ContactNorihito Kaku

Nagasaki University Hospital Department of Laboratory Medicine

kaku-ngs@umin.ac.jp095-819-7574

Outcome results