Serological Survey: Central Jakarta Residents Show Highest COVID-19 Infection Rate in the Capital

A serological survey conducted by the Jakarta Provincial Health Office shows that 53.7% of residents in Central Jakarta have been infected with the Covid-19 virus. This is the highest percentage among all cities/districts in Jakarta.

West Jakarta is second with 45.44% of its residents infected with the coronavirus. In North Jakarta, 44.5% of residents have been exposed to the coronavirus.

Furthermore, 44.4% of residents in South Jakarta have been infected with the coronavirus. 40.9% of residents in East Jakarta have also been infected with the virus. The figure reaches 39.3% in the Thousand Islands.

In total, 44.5% of Jakarta residents have been infected with the coronavirus. Looking at gender, women had the highest infection rate at 47.9%, while only 41.1% of men were exposed to the coronavirus.

Furthermore, 62.9% of Jakarta residents who were previously infected with the coronavirus were asymptomatic. 86.1% of the capital's residents were undetected when infected with the coronavirus.

The Jakarta Provincial Health Office conducted the survey titled "Prevalence of Positive SARC CoV-2 Antibodies in DKI Jakarta" with the team from the Faculty of Public Health, University of Indonesia (FKM UI), the Eijkman Institute, and CDC Indonesia. The survey was conducted on 4,919 samples from March 15-31, 2021.

The survey was conducted by measuring the immune response to an antigen from a person's blood sample. The coronavirus antibody detection technique used was the *tetracore-luminex* test. All indicators have a relative standard error of 2.3-6.9%, except for the prevalence in the 1-4 year age group (10.8%).