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4th Edition of World Congress on Infectious Diseases

June 23-24, 2023 | Rome, Italy

June 21 -22, 2023 | Rome, Italy
Infection 2022

Anju Kaushal

Speaker at World Congress on Infectious Diseases 2022 - Anju Kaushal
Assistant Professor (Former), New Zealand
Title : Changing microbiota in hospitalized patients increase the COVID-19 severity, a possible cause of developing the dysregulated immune response- A literature Study

Abstract:

Human physiological homeostasis and onset of the disease, is largely depend on the interactions among resident microbiome of skin, oral cavity, respiratory tract, gastrointestinal system, genital area, and host’s protective immunity. Gut probiotics like Faecalibacterium prausnitziiEubacterium rectale and bifidobacteria, influence the immunomodulatory signaling, were noted to be depleted in hospitalized patients even after the disease resolution than healthy individuals. IBD is induced by SARSCoV-2, could stimulate the severity events via alteration of the gut microbiota during/ after the respiratory infection. The viral RNA signature in the faecal samples of recovered patients and its presence for longer period, even after the clearance of the virus from respiratory tract, is suggestive of dysbiosis leading to the poor prognosis of COVID-19 in ICU patients. GM plays a significant role to stimulate the modulated antiviral immune response against invading pathogens regulating the physiological homeostasis. GM profile of COVID-19 patients has revealed the drastic depletion of dominant families of commensals viz., Bacteroidaceae, Lachnospiraceae and Ruminococcaceae, were reported to be substituted with Enterococcus, Staphylococcus, Streptococcus, Serratia etc.; consequently, developing the dysfunctional activities of Th1-Th2 cells along the lung-gut axis exchanging microbes & other toxic metabolites and translocating them to the other body organs too. It is also speculated that the gut virome and bacteriophages could also interfere in maintaining / or disrupting the homeostasis. Excessive secretion of chemokines and cytokines cause ARDS, interstitial pneumonia and organ failure. Virome/ and microbiome also interact with immune cells to regulate the immune signaling mechanisms. Therefore, it is imperative to build strategies to develop novel therapeutics in controlling these hyperinflammatory severity events.

Biography:

Dr Anju Kaushal received her MSc. Microbiology from Central Research Institute, Kasuali, India in 1993 and awarded with PhD Microbiology from Panjab University, Chandigarh, India in 2003. She worked in various scientific & medical institutes and companies in India and New Zealand. Her expertise is in Science and Technology, R&Ds, Productions and QA/QC in the field of biologicals, diagnostics and academia. She worked on Rabies, Aspergillus, Candida, HIV, enzymes and fermentation technologies. Her area of interest includes vaccines, sera & diagnostic development & production and on novel therapeutics on advancing technologies. She also attained, more than six years of experience in Business Management, Brand & Marketing, Communication & Information and as a Freelancer- she guided many PhDs and scientists in their careers. She has published 12 articles in Scientific Journals and more than 40 articles on LinkedIn.

 

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