Data Baru Sebut Kekebalan Kawanan Covid-19 Perlu Waktu Lima Tahun

Data Baru Sebut Kekebalan Kawanan Covid-19 Perlu Waktu Lima Tahun
editor@merdeka.com (Editor)

Dengan lebih banyak orang yang divaksinasi, para ahli akan segera memiliki gambaran bagaimana vaksin saat ini bisa mengurangi atau mencegah infeksi dan penyebaran virus.

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