Residents of eight districts of Zhengzhou, home to 6.6 million people, were told to stay home for five days beginning Thursday except to buy food or get medical treatment.
China recorded a total of 31,444 domestic cases Wednesday, of which 27,517 were asymptomatic, the National Health Bureau said.
The active cases now comprise 0.02 per cent of the total infections, while the national COVID-19 recovery rate has increased to 98.79 per cent, according to the health ministry website.
Economists and public health experts say Beijing might be able to start winding down “zero COVID” in mid-2023 but needs to vaccinate tens of millions of elderly people before foreign visitor controls.
Dr Rajesh Karyakarte, who coordinates SARS-CoV-2 genetic sequencing in Maharashtra, said clinical studies hadn't shown any sudden rise in Covid-19 cases or severity.
Delhi recorded 135 fresh Covid cases with an increased positivity rate of 2.12 per cent on Saturday, according to data shared by the city health department here.
With the fresh cases, Delhi's infection tally increased to 20,00,641 with a positivity rate of 1.93 per cent.
The active cases comprise 0.20 per cent of the total infections, while the national COVID-19 recovery rate has increased to 98.61 per cent, the ministry said.
The daily positivity rate was recorded at 4.21 per cent and the weekly positivity rate at 3.87 per cent, the Union health ministry said.
Days after showing a dropping trend, Covid-19 cases shot up in the State on Thursday with 482 people testing positive against 280 on Wednesday.
On Wednesday, a total of 567 patients were hospitalised out of which 203 were in ICU, 173 were on oxygen support and 21 were on ventilators.
"Only 10 per cent of the patients were infected with the Covid after the third dose,” said Sisodia.
The national COVID-19 recovery rate was recorded at 98.54 per cent, the health ministry said.
The number of people who have recuperated from the disease surged to 4,35,73,094, while the case fatality rate was recorded at 1.19 per cent.
The number of people who have recuperated from the disease surged to 4,34,99,659, while the case fatality rate was 1.19 per cent.
The Lok Nayak Jai Prakash Narayan (LNJP) Hospital MD said that the cases are increasing because of the mutation of COVID and urged everyone to take precautionary vaccine doses.
The country has one of the world's worst healthcare systems, with poorly equipped hospitals, few intensive care units, and no covid-19 treatment drugs or vaccines, experts say.
Covid-19 cases in Karnataka crossed the 2,000-mark and touched 2,136, including 1,584 in Bengaluru, while Covid clusters bulged to 21 in the state capital on Wednesday.
As pandemic cases see steep rise in recent days, the health department attributes the rise to monsoon season
There is no let up in Covid-19 infections as the State reported 1,030 fresh cases and one death in the last 24 hours.