COVID 19’s Shift from Pandemic to Endemic A Genetic and Clinical Overview

Introduction

Highlights of the Study

  • Genetic Basis of COVID-19 Susceptibility:
    Variants in genes like ACE1, TMPRSS2, MUC5B, and HLA-C07:29* play a significant role in disease severity and individual response to infection.
  • Transition Mechanism:
    Mutations in the spike protein and receptor-binding domains (RBD), particularly in Delta and Omicron variants, have driven changes in transmissibility and vaccine effectiveness.
  • Long COVID and Its Impact:
    Up to 70% of patients report lingering symptoms such as fatigue, muscle aches, and organ impairment months after recovery.
  • Therapeutic Strategies:
    Interventions like mRNA vaccines, convalescent plasma, and Ayurvedic therapies show varying degrees of efficacy. Clinical tools like RT-PCR, CRISPR-Cas diagnostics, and AIOD assays offer precise detection.

The Broader Healthcare Perspective

The World Health Organization (WHO) emphasizes the importance of ongoing surveillance, vaccination, and public health infrastructure to transition into endemicity effectively. These include:

  • Vaccination coverage and booster campaigns
  • Genomic surveillance (e.g., via platforms like Pangolin)
  • Clinical guidelines by NICE and NIHR for managing long COVID

Insights into Host-Virus Interaction

  • Infection Mechanism: The spike (S) protein’s affinity for the ACE2 receptor enables SARS-CoV-2 entry, especially in the lungs, liver, and kidneys.
  • Host Immunogenetics: Genetic polymorphisms influence immune response and disease outcome—highlighting the need for personalized approaches.

COVID-19: From Global Emergency to Managed Disease

The research underscores a pivotal insight: while the pandemic stage may be fading, preparedness must remain vigilant. Endemicity doesn’t eliminate riskit redefines how we manage it.

Call to Action

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