High Circulation of SARS-CoV-2 In Ciudad del Este District, Paraguay, 2020
Keywords:
COVID-19, seroprevalence, cross-sectional study, triple border region, Ciudad del Este, ParaguayAbstract
Introduction: Seroepidemiological studies can help to understand the dynamics of the infection by the type 2 severe acute respiratory syndrome virus (SARS-CoV-2) in the community.
Objective: To determine the seroprevalence of COVID-19 Ciudad del Este district of Alto Paraná department in Paraguay.
Methods: Descriptive cross-sectional study based on population. A rapid immunochromatographic test was used for the detection of anti-SARS-CoV-2 IgG/IgM antibodies. 1043 households were surveyed between October 27 and November 21, 2020.
Results: Of the 1978 participants, women prevailed (60.3 %), 39.6 % had secondary education, 32.9 % were engaged in commerce. The most frequent risk factors were hypertension (13.7%), overweight or obesity (16.4%) and diabetes mellitus (6.1%). A total of 415 people (21%) had symptoms compatible with COVID-19, with headache being the most frequent (10.8%), followed by anosmia (10.4%) and sore throat (10.1%). 15.4% of respondents said they had been in contact with a COVID-19 case. 10.8% of participants had undergone a laboratory test for the diagnosis of COVID-19, of them, 72 people (33.6%) reported a positive result. Seroprevalence was high, with one in five reporting symptoms compatible with COVID-19.
Conclusions: Despite the high anti-COVID-19 seroprevalence, most residents had mild infection, the proportion of hospitalized patients was low, and no fatal cases were reported.
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