| Goulia et al. (2010) (4) | General hospital staff worries, perceived sufficiency of information, and associated psychological distress during the A/H1N1 influenza pandemic | 400 | Hong Kong | To explore the impact of the pandemic on the HCW | Cross-sectional | Strong effect of the family |
| Amin et al. (2020) (8) | COVID-19 pandemic- knowledge, perception, anxiety, and depression among frontline doctors of Pakistan | 590 | Pakistan | To explore the impact of the pandemic on the HCWs | Case-control | Anxiety increased in HCWs |
| Hakim et al. (2021) (9) | Access and use experience of personal protective equipment among frontline healthcare workers in Pakistan during the COVID-19 emergency | 380 | Pakistan | To explore the impact of the pandemic on the HCWs. | Cross-sectional | Low quality of services |
| Turner and NiƱo (2020) (10) | Qualitative analysis of the coordination of major system changes within the Colombian health system in response to COVID-19: | 790 | Columbia | To explore the impact of the pandemic on the health system | Cross-sectional | Health system was collapsing |
| Turner et al. (2017) (12) | Evidence use in decision-making on introducing innovations: a systematic scoping review with stakeholder feedback. | 990 | Norway | To explore the impact of the pandemic on the health system | Case-control | Shortage of material resources |
| Rojas-GarcĆa et al. (2018) (13) | Impact and experiences of delayed discharge: a mixed-studies | 2898 | USA | To explore the impact of the pandemic on the health system | Case-control | Lack of fund led to constraints in the hospitals for services |
| Brooks et al. (2020) (14) | The psychological impact of quarantine and how to reduce it: Rapid review of the evidence. | 1289 | USA | To explore the impact of the pandemic on the HCWs | Case-control | Frustration and violence increased in the community |
| Roy et al. (2020) (15) | Study of knowledge, attitude, anxiety & perceived mental healthcare need in Indian population during COVID-19 pandemic. | 798 | India | To explore the impact of the pandemic on the health system | Case-control | Lack of knowledge for resilience against the pandemic |
| Amin (2020) (16) | The psychology of coronavirus fear: are healthcare professionals suffering from corona-phobia | 1900 | Sweden | To explore the impact of the pandemic on the community | Case-control | Increased prevalence of psychological disorders in HCWs |
| Meyer et al. (2020) (17) | A checklist to improve health system resilience to infectious disease outbreaks and natural hazards | 479 | Austria | To explore the impact of the pandemic on the community | Case-control | Increased incidence of the outbreak of natural hazards |