Vaccinated people carry as much Delta variant as others | Coronavirus | 9 News Australia
Scientists who studied a big COVID-19 outbreak in the US state of Massachusetts concluded that vaccinated people who got so-called breakthrough infections carried about the same amount of the coronavirus as those who did not get the shots. Subscribe and 🔔: https://bit.ly/2noaGhv | Get more breaking news at 9News.com.au: https://bit.ly/2nobVgF
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