SARS-CoV-2 Coronavirus Research
: A new study conducted by medical and pathological researchers from Sun Yat-sen University, also known as Zhongshan University, located in Guangzhou, Guangdong, China have found that the SARS-CoV-2 coronavirus
was also detectable in the urine samples of all the patients that was under its study.
Urine samples were not often used and studied carefully after two initial peer reviewed studies published in prestigious journals stated that the virus was not present in both urine and fecal samples.
However further studies by Chinese researchers as a result of diarrhea being exhibited by many patients showed that the new coronavirus
was indeed present in fecal samples and anal swabs taken from infected patients and also from that of recovered patients, thus showing that the initial peer-reviewed studies were not reliable.
Also as a result of these initial studies, many other subsequent studies often left out urine samples for studying and this new non-peer reviewed study might hopefully bring the focus back on studying urine samples. (https://www.medrxiv.org/content/10.1101/2020.02.21.20026179v1
The researchers lead by Dr Liang Peng, a prominent microbiologists with more than 20 peer reviewed studies published in numerous published journals, used quantitative real-time polymerase chain reaction (qRT-PCR ) to test for the presence of the SARS-Cov-2
nucleic acids in all urine samples of the 9 patients under study.
The results showed the presence of the SARS-CoV-2 coronavirus in all of the urine samples.
Dr Peng however noted that none of the patients exhibited any signs of urinary irritations and all 9 patients were in various stages of the covid-19
disease with majority in the initial stage of infections based on clinical assessment.
Doctors from 3 hospitals in Shanghai also confirmed the presence of the new coronavirus
in all urine samples taken from infected patients including Huashan Hospital, Shanghai Changzheng Hospital and Shanghai Jiaotong University Hospital.
The findings have enormous implications as it could be explored in diagnostics and also it could have bearings on transmissions as well including public toilets etc.
Dr Peng told Thailand Medical News
via a phone interview, “It is surprising that a simple and common body fluid sample was not focused of just because of the findings from two initial studies done in Wuhan during the initial chaotic stages. We hope that more studies would be focused on this and using it as a further diagnostic requirement and also to study its possible effects on transmissions.”
A few Chinese researchers from three other research institutions are currently pursuing detailed studies on this.
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