Question 42 (part 2) · LEK · Characteristics of scientific studies
In the International Journal of Infectious Diseases (Int J Infect Dis. 2021; 102: 63 – 69) a study was published, which included healthcare professionals working in level I trauma center in southern Bronx, in the period from 1st March to 1st May, 2020. Having obtained informed consent, participants underwent qualitative serological tests (Abbott Architect SARS-CoV-2 IgG Assay, Abbott Park, IL 60064 USA) and completed an online survey that contained information about age, race/ethnicity, comorbidities, home zip code and details of health care and social exposure factors for COVID-19, time of infection and duration of COVID-19 infection symptoms such as: fever, cough, dyspnoea, lack of smell, lack of taste, muscle pain, nausea and/or diarrhoea over the last 8-10 weeks. What type of epidemiological study was used?
- A. descriptive.
- B. ecological.
- C. cross-sectional.
- D. case-control.
- E. cohort.
Hint
Note that antibody status and exposure data were collected at the same point in time, without any follow-up.
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