FKM-UI Survey: Half Of Jakarta Residents Have Been Infected With COVID-19, Most Are Without Symptoms

JAKARTA - The number of COVID-19 cases in DKI Jakarta continues to increase. On Tuesday, July 13, a positive case of corona in Jakarta infected 12,182 people.

From yesterday's update of the corona case, the Ministry of Health also provided an update on the corona patients in Jakarta who recovered as many as 4,571 people. While the number of corona patients in Jakarta who were declared dead was 80 people.

Because the capital city is always the highest subscriber of cases, the FKM UI pandemic team conducted a survey related to the prevalence of SARS-CoV-2 positive antibodies in DKI Jakarta. As a result, 44.5 percent of Jakarta residents were said to have been infected with the COVID-19 virus.

The serological survey was carried out by FKM-UI together with the DKI Jakarta Health Service, the Eijkman Institute, and the Indonesian CDC. The survey method used is a stratified multistage sampling design, with a total sample of 4,919 or 98.4 percent of the target sample of 5,000 people aged 1 year or older.

The sample is spread over 100 urban villages in 6 regions (5 cities and 1 district) in DKI Jakarta Province. Data and specimen collection was carried out on 15-31 March 2021, with the detection of SARS CoV-2 antibodies using the tetracore-luminex assay.

Based on the survey results, FKM UI Epidemiologist Pandu Riono explained, half of the population in Jakarta had been infected with COVID-19. With the number of women more infected.

"Half of the population of Jakarta has been infected with COVID-19 or 44.5 percent, with the female gender being higher," Pandu said in the Perception discussion, Tuesday, July 13.

The number of samples exposed was 41.0 percent male and 47.9 percent female. The infection is also said to spread almost evenly in every age group of the population, mostly at the age of 30-40 years.

Pandu said the highest number of infections was in Central Jakarta with 53.7 percent. While the lowest is in the Thousand Islands with 39.3 percent.

"The highest is in Central Jakarta 53.7 percent, the lowest is in the Thousand Islands 39.3 percent," he explained.

The results of the survey on the number of residents of Jakarta who have been infected with COVID-19, Central Jakarta 53.7 percent, West Jakarta 45.4 percent, North Jakarta 44.5 percent, South Jakarta 44.4 percent, East Jakarta 40.0 percent, Thousand Islands 39.3 percent.

Most of the infected residents do not experience symptoms

Meanwhile, Pandu also said some residents were infected undetected and did not experience symptoms. This is known from the statements of respondents who have never been diagnosed with COVID-19.

 

"Of those who have been infected, most of them have not been detected, based on respondents' complaints whether they have ever been diagnosed as positive for COVID-19," said Pandu.

 

It was stated that the most people who were not detected were at the age of children or 1-14 years with 96.2 percent, ages 15-49 years as much as 90.1 percent, and ages over 50 years as much as 90.1 percent.

 

Pandu said DKI's testing system was high, but there were still many people who were not detected. So, according to him, the positive numbers shown in the DKI case could actually be much higher.

 

"Our testing system in DKI, although very high, still cannot detect some of those who have been infected," said Pandu.

 

"The figures announced by DKI that actually occur in the population could be much higher because only 8.1 percent are detected in the system. The proportion of detected cases is 8.1 percent, the proportion of cases that are not detected is 91.9 percent," he said.

 

The number of undetected and asymptomatic case data based on the results of the UI FKM survey, namely undetected and asymptomatic 57.4 percent. Undetected and symptomatic 34.0 percent, detected and asymptomatic 4.9 percent, and detected and symptomatic 3.8 percent.

 

It is known, Indonesia has again recorded a new record for additional COVID-19 cases in the daily report Tuesday, July 13.

 

Quoted from covid19.go.id, there were 47,899 new cases in the last 24 hours.

 

This figure is a record for the highest daily additional cases during the COVID-19 pandemic in Indonesia.

With this addition, the total number of corona infection cases in Indonesia is 2,615,529.

 

DKI Jakarta contributed the highest number with 12,182 new cases.

 

Meanwhile, nationally recovered cases increased by 20,123, bringing the total to 2,139,601 cases.

 

The national daily death cases increased by 864. Thus, the total number of deaths due to COVID-19 in Indonesia reached 68,219. Meanwhile, the total active cases reached 407,709.