Mental Health Impacts during Infectious Disease Outbreaks

Infectious disease outbreaks exert profound effects on psychological well-being worldwide. During pandemics such as SARS, H1N1 and COVID-19, elevated rates of anxiety, depression, stress and post-traumatic symptoms have been widely reported. Public health measures including quarantine, social distancing and lockdowns disrupt social support networks, daily routines and economic stability, exacerbating mental health challenges. Fear of contagion and concerns about personal and family health often interact with media exposure, leading to heightened vigilance or panic. Yet research also highlights resilience and adaptive coping strategies, with many individuals recovering as restrictions ease. Vulnerable groups—including those with pre-existing psychiatric conditions, socioeconomically disadvantaged populations, healthcare workers and those living alone—experience sustained distress. Targeted interventions such as cognitive-behavioural support, peer-led networks and workplace well-being programmes have shown promise in alleviating distress and restoring functioning. Globally, informing policy with evidence on mental health trajectories, risk factors and protective factors can guide resource allocation and the design of supportive services during current and future outbreaks.

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Mental Health Impacts during Infectious Disease Outbreaks publication trend

The graph below shows the total number of articles in mental health impacts during infectious disease outbreaks across all publications each year (not limited to Nature Index journals).

Technical terms

Anxiety: A state of excessive worry or fear often accompanied by physiological arousal.
Depression: A mood disorder characterised by persistent low mood, loss of interest and impaired daily functioning.
Resilience: The capacity to maintain or regain psychological well-being in the face of adversity.
Quarantine: The restriction of movement of individuals potentially exposed to an infectious disease to prevent transmission.
Infodemic: An overabundance of information, including false or misleading content, that spreads during a disease outbreak.

References

1. Impact on mental health due to COVID-19 pandemic: A cross-sectional study in Bangladesh. Clinical eHealth (2023).
2. Mental health trajectories among the general population and higher-risk groups following the COVID-19 pandemic in Switzerland, 2021–2023. Journal of Affective Disorders (2024).
3. Immediate Psychological Responses and Associated Factors during the Initial Stage of the 2019 Coronavirus Disease (COVID-19) Epidemic among the General Population in China. International Journal of Environmental Research and Public Health (2020).