Herd Immunity is the Key

Yopie Hidayat (Contributor)

Tempo

July 12, 2021

INDONESIA is not alone in facing the Delta variant of Covid-19. This strain has wreaked havoc in countries that had hitherto been lauded for their handling of the pandemic. South Korea once again must restrict public activity. Japan has announced a state of emergency in Tokyo. The Olympics that have been delayed for a year must now be held without any audience. The spread of the pandemic in various corners of the glo

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