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New Study Confirms Airborne Transmission of SARS-CoV-2: Implications for Infection Control

CCMB and IMTech Collaboration Reveals Airborne Spread of Coronavirus

A recent collaborative study between the Centre for Cellular and Molecular Biology (CCMB) and the Institute of Microbial Technology (IMTech) has provided compelling evidence supporting the airborne transmission of SARS-CoV-2, the virus responsible for COVID-19. The research sheds light on the virus’s concentration in indoor air, challenging previous assumptions and emphasizing the importance of infection control strategies.

From Surface Contamination to Airborne Dissemination: Rethinking Transmission Routes

In the early stages of the pandemic, the focus was primarily on surface contamination as a key mode of transmission. However, emerging data, as highlighted in the CCMB-IMTech study, underscores the significance of airborne transmission. The researchers found that indoor air, particularly in enclosed spaces, harbors a higher concentration of infectious virus particles compared to outdoor environments.

Crucial Findings: Detecting Virus Presence in Air

The study meticulously collected air samples from various environments, including hospital settings and confined spaces where COVID-19 patients spent time. The analysis revealed a significant presence of the virus in the air around infected individuals, further confirming the potential for airborne transmission. The positivity rate correlated with the number of patients in the vicinity, indicating the need for heightened vigilance in crowded indoor spaces.

Beyond Severity: Virus Aerosolization in Hospital Wards

A noteworthy discovery from the study is the identification of the virus in both Intensive Care Units (ICUs) and non-ICU sections of hospitals. This finding challenges the assumption that the severity of infection affects the extent of viral shedding. Regardless of disease severity, patients contribute to the aerosolization of the virus, highlighting the need for comprehensive infection control measures.

Informed Prevention Strategies: The Role of Air Surveillance

As societies navigate the transition back to in-person activities, the study’s implications for infection control are significant. The research underscores the value of air surveillance in predicting infection risks within enclosed spaces like classrooms and meeting halls. The insights gained from this study can aid in refining strategies to curb the spread of COVID-19 and other airborne infections.

Also Read: World Tuberculosis Day: Association Between Tuberculosis And COVID‐19 Severity And Mortality

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