Related Experiment Video
Updated: Nov 17, 2025

Author Spotlight: Advancing Pathogen Diagnostics with Standardized LAMP
Published on: September 8, 2023
Relationship of substance dependence and time to RT-PCR negative status in patients with COVID-19 infection
Aseem Mehra1, Vikas Suri2, Swapnajeet Sahoo1
1Department of Psychiatry, Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India.
Background:
To date, no study has evaluated the association of alcohol dependence with the outcome of the COVID-19 infection.
Aim:
The current study aimed to evaluate the association of substance dependence (alcohol and tobacco) with the outcome (i.e., time to have two consecutive negative test reports) of the COVID-19 infection.
Results:
The mean age of the study participants (n = 95) was 37.2 yrs (SD-13.2). More than half of the participants were males. About one-fourth (N = 25; 26.3 %) were consuming various substances in a dependent pattern. Alcohol dependence was present in 21 participants (22.1 %), and Tobacco dependence was present in 10.5 % of participants. Even after using gender, age, and physical illness as covariates, patients with any kind of substance dependence had a significantly lower chance of having a negative report on RT-PCR on 14th day, 18th 23rd day.
Conclusion:
Persons with substance dependence takes a longer time to test negative on RT-PCR, once diagnosed with COVID-19 infection. Mental health professionals involved in the care of patients with COVID-19 should accordingly prepare these patients for a possible longer hospital stay to reduce the distress associated with prolongation of hospital stay.
Related Concept Videos
Drug Dependence
Real Time RT-PCR
The real-time quantification of the number of amplified products is...
Substance Use Disorders Affecting Sleep
Understanding the concepts of physical dependence,...

