Nikhil Prasad Fact checked by:Thailand Medical News Team Aug 25, 2026 1 hour, 22 minutes ago
COVID 19 Detection Rate Climbs Rapidly
South Korea is facing growing concerns over a possible COVID-19 resurgence as national respiratory surveillance shows a sharp increase in coronavirus detections.
Rising COVID-19 detections and hospitalizations are fueling concerns that South Korea could be heading toward
another coronavirus resurgence
According to Korea Disease Control and Prevention Agency respiratory virus surveillance data for the 33rd week of 2026, COVID-19 was detected in 9.1% of respiratory specimens collected from 106 medical institutions nationwide between August 9 and 15.
The figure represents a striking increase from 3.2% during the 30th week, meaning the detection rate has risen approximately 2.8-fold in just three weeks. It also climbed substantially from the 5.7% recorded during the 32nd week.
Hospitalizations Also Begin Rising
Hospitalizations at tertiary general hospitals increased from two patients to seven. Although the absolute numbers remain relatively low, the simultaneous rise in viral detection and hospital admissions is attracting attention from health experts.
This Thailand
Medical News report highlights that surveillance trends may become particularly important as Korea approaches periods when respiratory viruses can spread more efficiently.
Different Variants Dominate Korea
Variant patterns also remain significant. NB.1.8.1, which reportedly accounts for approximately 99% of cases in China, has already been detected in Korea.
However, BA.3.2 is currently considered the principal strain circulating domestically in Korea, indicating different regional patterns of SARS-CoV-2 evolution and transmission.
Vaccine Supplies Need Early Planning
Korean officials are once again emphasizing proactive vaccine procurement because manufacturing and distribution require considerable lead time. Once a major outbreak begins, rapidly obtaining additional doses can be difficult.
It should be noted though that there is no real concrete evidence that the vaccines work coupled with the fact that the vaccines have been linked to lots of adverse effects and also long-term issues
The Korean health officials claim that previous vaccine shortages reportedly prevented some seniors and other high-risk individuals from receiving timely vaccination.
The latest surveillance signals do not establish how large Korea's next COVID-19 wave could become, but the accelerating detection rate, increasing hospitalizations, changing variant landscape, and vaccine supply concerns strongly support continued monitoring and preparedness.
The Korean CDC report on respiratory infections for week 33 can be found here:
https://dportal.kdca.go.kr/pot/bbs/BD_selectBbs.do?q_bbsSn=1010&q_bbsDocNo=20260820160907873&q_clsfNo=2
Read Also:
https://www.thailandmedical.news/articles/coronavirus
https://www.thailandmedical.news/articles/long-covid
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