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An unknown strain of pneumonia has been making people ill in Wuhan, China. 44 people have been infected with the unidentified virus, with 11 of them in a serious condition. The local government and health authorities have been able to rule out Avian flu, influenza and adenovirus infection.Many of the patients worked at a seafood market that also traded in live animals like rabbits and birds which has prompted some concerns about a return of the deadly 2002 Sars virus. While Sars hasn’t yet been ruled out, there is no evidence of human-to-human transmission and no medical personnel have become infected.
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Well, may be. Peer review required, but an interesting possibility.
Detectan el SARS-CoV-2 en aguas residuales recogidas en Barcelona el 12 marzo de 2019 (Universitit de Barcelona)
https://www.ub.edu/web/ub/es/menu_eines/noticies/2020/06/042.html
SARS-CoV-2 detected in Barcelona water study from March 2019
https://www.catalannews.com/society-science/item/sars-cov-2-detected-in-barcelona-water-study-from-march-2019
Covid-19 was in Spanish sewage as early as MARCH 2019, study claims
https://www.rt.com/news/493085-covid-spain-march-2019-sewage/
Coronavirus traces found in March 2019 sewage sample, Spanish study shows
https://www.reuters.com/article/us-health-coronavirus-spain-science/coronavirus-traces-found-in-march-2019-sewage-sample-spanish-study-shows-idUSKBN23X2HQ
Sentinel surveillance of SARS-CoV-2 in wastewater anticipates the occurrence of COVID-19 cases
https://www.medrxiv.org/content/10.1101/2020.06.13.20129627v1.full.pdf
December 2019, COVID-19 originated in Wuhan, China
Late January 2020, detected in France
February 25th first detected in Barcelona
Sewage in Barcelona
Frozen archival samples
January 15 to March 4, 2020 increasing levels
March 4 to May 4 2020, highest levels
Some uncharacterized influenza cases may have masked COVID-19 cases in the 2019-2020 season
Therefore January 2018 to December 2019 samples analysed
All samples tested negative for the presence of SARS-CoV-2 genomes with the exception of March 12, 2019,
The levels of SARS-CoV-2 were low but were positive
Indicates circulation of the virus in Barcelona long before the report of any COVID-19 case worldwide
A significant proportion of undiagnosed and asymptomatic carriers shed SARS- CoV-2 in stool
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