Testing the repatriated for SARS-Cov2: Should laboratory-based quarantine replace traditional quarantine?
Open accessAbstract
BACKGROUND: An ongoing epidemic of respiratory diseases caused by a novel coronavirus (COVID 2019, SARS-CoV2) started in Wuhan, Hubei, in China at the end of December 2019. The French government decided to repatriate the 337 French nationals living in Wuhan and place them in quarantine in their home country. We decided to test them all for SARS-Cov2 twice in order to reduce anxiety among the population and decision-makers. METHODS: We investigated the presence of SARS-CoV-19 in asymptomatic carriers by testing all repatriated patients within the first 24 h of their arrival in France and at day 5. Viral RNA was extracted from pooled nasal and oropharyngeal swab fluids or sputum in the absence of nasal/oropharyngeal swabs. Detection of SARS-CoV-2 RNA was then carried out using several real-time reverse transcription (RT)-PCR assays. RESULTS: We tested 337 passengers at day 0 and day 5. All the tests for SARS-CoV2 were negative. By optimising the sampling process, sending samples sequentially and reducing the time-scale for biological analysis, we were able to test the samples within 5 h (including sampling, shipment and biological tests). CONCLUSION: Optimising our procedures reduces anxiety and reassures the population and decision makers.
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Regarding quarantine history, there were three references, two of which mentioned the outbreak of plague in Italy in the 14th century as the origin of the term.
“Regarding the first research question and definition of quarantine, there were three references to quarantine history, two of which mentioned the outbreak of plague in Italy in the 14th century as the origin of the term.”
From Definitions and psychological impacts of quarantine and strategies to reduce it: A review paper (2020) · cites this paper as [11]
The Introduction (page not provided) traces the concept of quarantine to a plague outbreak in 1377, supporting the 14th-century connection. It does not locate that outbreak in Italy or explicitly identify it as the origin of the term. The count of three references, two making this point, is the citing document’s own summary rather than a finding in this source. (LLM, conf=0.85)
Experimental — accuracy not yet measuredIn quarantine, access to needed resources (nutrition, communication, recreation, and health) is different from usual and requires interventions and programs to make it easier for people to tolerate the situation or prevent potential problems (fatigue, energy loss, depression, loneliness, fear of illness and death).
“It was also stated that in the quarantine the conditions of access to the resources needed (nutrition, communication, recreation, and health) are different from the usual ones and require interventions and programs to make it easier for people to tolerate the situation (11, 16), or to preventanypotentialproblemsthatonemayface(fatigue,energy loss, depression, loneliness, fear of illness and death)”
From Definitions and psychological impacts of quarantine and strategies to reduce it: A review paper (2020) · cites this paper as [11]
Split into 2 atoms — 0 confirmed, 2 partially supported, 0 disputed, 0 misattributed, 0 unverifiable. Expand the claim to see per-atom verdicts.
Experimental — accuracy not yet measuredAnxiety is one of the most common psychological problems reported during epidemics and in people under quarantine.
“anxiety is one of the most common psychological problems reported during epidemics and in people under quarantine (11, 15).”
From Definitions and psychological impacts of quarantine and strategies to reduce it: A review paper (2020) · cites this paper as [11]
The Introduction says managing anxiety is important during epidemics, and the Discussion describes anxiety among people aboard a quarantined cruise ship. The paper does not establish that anxiety is one of the most common psychological problems or report how frequently it occurs. (LLM, conf=0.83)
Experimental — accuracy not yet measuredIn one case, the waiting time was 30 days for the ship and 40 days for the passengers.
“Inonecase,itwasstatedthatthetimeof waiting was 30 days for the ship and 40 days for the passengers (6, 11).”
From Definitions and psychological impacts of quarantine and strategies to reduce it: A review paper (2020) · cites this paper as [11]
The Introduction says quarantine was initially set at 30 days for ships and 40 days for land travellers. It supports the two durations, but the claim says “passengers” without the source’s land-travel qualifier, which could imply passengers on the ship. (LLM, conf=0.88)
Experimental — accuracy not yet measuredIn most studies, the quarantine time was considered a 14-day period for respiratory infectious diseases.
“Another factor considered in the quarantine definition was the time, whichwasconsideredinmoststudies,a14-daytimeforrespiratory infectious diseases (11, 22).”
From Definitions and psychological impacts of quarantine and strategies to reduce it: A review paper (2020) · cites this paper as [11]
The Introduction (page not available) says that quarantine for COVID-19 was established at 14 days based on preliminary reports. It does not say that most studies used a 14-day period or that this duration applied to respiratory infectious diseases generally. (LLM, conf=0.88)
Experimental — accuracy not yet measured
Most reviewed studies acknowledged that quarantine is one of the first public health measures to control and prevent further spread of respiratory infections caused by coronavirus.
“Most of the studies reviewed acknowledged that quarantine is one of the first public health measures to control and prevent further spread of respirational infections caused by the coronavirus (3, 11, 14, 22).”
From Definitions and psychological impacts of quarantine and strategies to reduce it: A review paper (2020) · cites this paper as [11]
The media can contribute to anxiety during quarantine.
“in a study highlighting the role of the media as a contributor to anxiety”
From Definitions and psychological impacts of quarantine and strategies to reduce it: A review paper (2020) · cites this paper as [11]
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- Authors
- Lagier, J. C., Colson, P., Tissot Dupont, H., Salomon, J., Doudier, B., Aubry, C., Gouriet, F., Baron, S., Dudouet, P., Flores, R., Ailhaud, L., Gautret, P., Parola, P., La Scola, B., Raoult, D., & Brouqui, P.
- Affiliations
- Aix-Marseille Université (FR)
- Ministère des Solidarités et de la Santé (FR)
- Corresponding author
- Lagier, Jean Christophe
- ORCID
- Venue
- Travel Medicine and Infectious Disease
- Publisher
- Elsevier BV
- Published
- 2020-03
- Volume
- 34
- Pages
- 101624
- ISSN
- 1477-8939 (ISSN-L)
- PMC
- PMC7102645
- OpenAlex
- W3011454564
- Cited by
- 52
- References
- 13
- Citations by year
- 2025: 1 · 2024: 1 · 2023: 3 · 2022: 5 · 2021: 13 · 2020: 29
- FWCI
- 1.64
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Travel Medicine and Infectious Disease (acceptedVersion, other-oa)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- HAL (submittedVersion, cc-by-nc)
- Funders
- Agence Nationale de la Recherche
- Topics
- Health Sciences › Medicine › Infectious Diseases › SARS-CoV-2 detection and testing
- Health Sciences › Medicine › Infectious Diseases › SARS-CoV-2 and COVID-19 Research
- Health Sciences › Medicine › Infectious Diseases › COVID-19 Clinical Research Studies
- Keywords
- SARS-CoV-2, COVID-19 pandemic, repatriation, quarantine, asymptomatic carriers, sputum sampling, rapid molecular diagnostics, RT-PCR
- MeSH terms
- Betacoronavirus, COVID-19, SARS-CoV-2, COVID-19 Vaccines, COVID-19 Testing, Adolescent, Adult, Aged, Child, Child, Preschool, Female, France, Humans, Infant, Infant, Newborn, Male, Middle Aged, Nose, Pharynx, Pneumonia, Viral, Quarantine, RNA, Viral, Sputum, Travel, Coronavirus Infections, Clinical Laboratory Techniques, Reverse Transcriptase Polymerase Chain Reaction, Young Adult, Pandemics, Real-Time Polymerase Chain Reaction
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