Covid infection surge without deaths can facilitate herd immunity: expert

A health worker instructs a Covid-19 patient on rehabilitation at a hospital in HCMC's District 8, September 21, 2021. Photo by VnExpress/Quynh Tran

High Covid-19 infection rates with low numbers of severe cases and deaths can push HCMC towards herd immunity. However, the new normal can't return to the old normal.

After spending four months under social distancing measures, Ho Chi Minh City began reopening in October, allowing numerous businesses, services and activities to resume operations.

In the beginning, when restrictions had just been relaxed, the southern city recorded around 2,000-3,000 cases a day. As more people got vaccinated, the number of new cases dropped from October 10 to around 1,000 cases a day, and gradually slowed down the days after.

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