A volunteer receives the first shot of Nano Covax. Intervals between the two shots will be 28 days. Conditions of volunteers will be thoroughly monitored within 56 days and until the sixth month after the first injection (Photo: VNA)

A volunteer receives the first shot of Nano Covax. Intervals between the two shots will be 28 days. Conditions of volunteers will be thoroughly monitored within 56 days and until the sixth month after the first injection (Photo: VNA)

A volunteer receives the first shot of Nano Covax. Intervals between the two shots will be 28 days. Conditions of volunteers will be thoroughly monitored within 56 days and until the sixth month after the first injection (Photo: VNA)

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