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The Omicron Variant: Prevalence, Transmissibility, and Pathogenicity

Author

Listed:
  • Zameer Shervani

    (Food Energy Security Research Product Centre, Japan)

  • Deepali Bhardwaj

    (Centre for Skin and Hair Pvt. Ltd., India)

  • Manseej Purang

    (Darne Clinic, Mauritius)

  • Aiman Ibbrahim

    (Aligarh Muslim University, India)

  • Venkata Phani Sai Reddy Vuyyuru

    (Citizens Speciality Hospital and American Oncology Institute, India)

  • Sadia Hasan

    (Jamia Millia Islamia, India)

  • Arif Siddiquie

    (Amity University, India)

  • Umair Yaqub Qazi

    (University of Hafr Al Batin, K.S.A.)

  • Adil Ahmed Khan

    (Hakeem Abdul Hameed Centenary Hospital Hamdard Institute of Medical Science Research, India)

  • Kehkeshan Fatma

    (Aligarh Muslim University, India)

  • Samar Siddiqui

    (Medanta Hospital, India)

  • Nudrat Jamal

    (Genomia Diagnostics Research Pvt.Ltd., India)

  • Shazma Khan

    (Santosh Medical College, India)

  • Abdullah Sherwani

    (Zakir Husain College of Engineering and Technology, Aligarh Muslim University, India)

Abstract

The Omicron variant that caused a huge surge in COVID-19 infections worldwide has been studied in terms of prevalence, infectivity, and virulency. The first study conducted in South Africa showed the low pathogenic nature of the Omicron variant compared to the Delta and original Wuhan variants. The deaths, ICU admissions, length of the hospital stay, and also the need of oxygen support all reduced greatly in Omicron infected patients as compared to the earlier variants. The share of the Omicron variant in Delhi (India) rose rapidly. In two weeks (December 21, 2021-January 3, 2022), the omicron prevalence increased from 38% to 81%. Because of the Omicron variant, in the last week of January 2022, Delhi’s caseload surged nine folds. The cases analysed in Delhi, Mumbai, and throughout India revealed that the number of deaths during the Omicron wave was much lower compared to the Delta and Wuhan variants.

Suggested Citation

  • Zameer Shervani & Deepali Bhardwaj & Manseej Purang & Aiman Ibbrahim & Venkata Phani Sai Reddy Vuyyuru & Sadia Hasan & Arif Siddiquie & Umair Yaqub Qazi & Adil Ahmed Khan & Kehkeshan Fatma & Samar Sid, 2022. "The Omicron Variant: Prevalence, Transmissibility, and Pathogenicity," European Journal of Medical and Health Sciences, European Open Science, vol. 4(3), pages 84-91, May.
    • Handle: RePEc:epw:ejmed0:v:4:y:2022:i:3:id:41258
    DOI: 10.24018/ejmed.2022.4.3.1258
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