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1.
Lack of evidence of viability and infectivity of SARS-CoV-2 in the fecal specimens of COVID-19 patients.
Joshi, Madhuri; Mohandas, Sreelekshmy; Prasad, Sharda; Shinde, Manohar; Chavan, Nutan; Yadav, Pragya D; Lavania, Mallika.
Front Public Health ; 10: 1030249, 2022.
Article in English | MEDLINE | ID: covidwho-2099281

ABSTRACT

SARS-CoV-2 can be shed in feces and can enter sewage systems. In order to implement effective control measures and identify new channels of transmission, it is essential to identify the presence of infectious virus particles in feces and sewage. In this study, we attempt to utilize Molecular techniques, cell cultures and animal models to find out the infectivity of SARS-CoV-2 in the feces of COVID-19 patients. Our findings exclude the presence of infectious virus particles, suggesting that fecal-oral transmission may not be the main mode of transmission. Larger-scale initiatives are nevertheless required, particularly considering the emergence of new viral strains.


Subject(s)
COVID-19 , SARS-CoV-2 , Humans , Sewage , RNA, Viral , Feces
2.
Electron microscopy imaging of SARS-CoV-2 at different temperatures.
Prasad, Sharda; Meena, Virendra Kumar; Yadav, Pragya D; Sarkale, Prasad; Baradkar, Shreekant; Cherian, Sarah; Abraham, Priya; Basu, Atanu.
Indian J Med Res ; 153(5&6): 692-695, 2021 05.
Article in English | MEDLINE | ID: covidwho-1278594

Subject(s)
COVID-19 , SARS-CoV-2 , Humans , Microscopy, Electron , Microscopy, Electron, Transmission , Temperature
3.
Transmission electron microscopy imaging of SARS-CoV-2.
Prasad, Sharda; Potdar, Varsha; Cherian, Sarah; Abraham, Priya; Basu, Atanu.
Indian J Med Res ; 151(2 & 3): 241-243, 2020.
Article in English | MEDLINE | ID: covidwho-632463

Subject(s)
Betacoronavirus/ultrastructure , Microscopy, Electron, Transmission , COVID-19 , Coronavirus Infections , Humans , Pandemics , Pneumonia, Viral , SARS-CoV-2
4.
First isolation of SARS-CoV-2 from clinical samples in India.
Sarkale, Prasad; Patil, Savita; Yadav, Pragya D; Nyayanit, Dimpal A; Sapkal, Gajanan; Baradkar, Shrikant; Lakra, Rajen; Shete-Aich, Anita; Prasad, Sharda; Basu, Atanu; Dar, Lalit; Vipat, Veena; Giri, Sidhartha; Potdar, Varsha; Choudhary, Manohar Lal; Praharaj, Ira; Jain, Amita; Malhotra, Bharati; Gawande, Pranita; Kalele, Kaumudi; Gupta, Nivedita; Cherian, Sarah S; Abraham, Priya.
Indian J Med Res ; 151(2 & 3): 244-250, 2020.
Article in English | MEDLINE | ID: covidwho-113830

Subject(s)
Betacoronavirus/isolation & purification , Coronavirus Infections/virology , Pneumonia, Viral/virology , Animals , COVID-19 , Chlorocebus aethiops , High-Throughput Nucleotide Sequencing , Humans , India , Microscopy, Electron, Transmission , Pandemics , Real-Time Polymerase Chain Reaction , Reverse Transcriptase Polymerase Chain Reaction , SARS-CoV-2 , Vero Cells
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