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Will herd immunity work against the Delta variant? Updated: 2021-08-20 04:52:22 KST

- Will herd immunity work against the Delta variant?
- 85% 점유한 델타 변이 집단면역 효과가 있을까?

The Delta variant of COVID-19 continues to take the world by storm, present in over 100 countries, and accounting for more than 98.9 percent of cases in the United States and 85 percent in South Korea.

According to the U.S. CDC, transmissibilty seems to be double that of the original strain of COVID-19 and 40 to 60 percent of the Alpha variant, outpacing and even defying efforts to contain the virus and also vaccinate people against becoming severely ill.

This has brought the idea of herd immunity into question, and led public health authorities to start considering booster shots to keep immunity from waning.

2차 접종 후에도 변이에 의한 면역력이 떨어지기 시작한 미국은 다음 달부터 전 국민에게 부스터 샷 접종을 시작한다. 과연 델타 변이 확산 속에서 방역수칙과 집단 면역률을 꾸준히 높이려는 정부의 노력은 어디까지 갈 것인가?

Michael TOOLE, Epidemiologist at Burnet Institute

Juhwan OH, Professor of Medicine at Seoul National University College of Medicine
Reporter : osy@arirang.com
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