Antibody levels against the Delta variant in people aged 18 to 55 who receive a third dose of the Pfizer/BioNTech vaccine are greater than five-fold than following a second dose, according to data posted at the company's teleconference, Xinhua reported.
The study, led by researchers of University College London, showed that waning effect of the vaccine doses were consistent across all groups of people regardless of age, chronic illnesses or sex.
Also reported were 40 new imported cases, of which 19 were reported in Yunnan, 13 in Guangdong, four in Shanghai, three in Jiangsu and one in Sichuan, Xinhua reported.
"If you look at inflection of curve of new cases, that it is among the unvaccinated. And since we have 50 pc of the country is not fully vaccinated, that's a problem," Fauci.
DOH said that Philippines now has 119 Delta variant cases after detecting an additional 55 infections, reports Xinhua news agency.
One other case of local transmission was reported in the nearby city of Suqian and one in the northeastern province of Liaoning.
Delhi Metro Rail Corporation till Sunday was running trains with 50 pc seating capacity, after the services had resumed after a long hiatus on June 7.
In an address to the nation on Sunday evening, Ramaphosa said South Africa, with immediate effect, will move to Level 3 from current Level 4 of five-level lockdown strategy.
With 38,740 people discharged in the last 24 hours, the number of recoveries now stands at 3,04,68,079 across the country.
The official data showed that 39,806 samples were tested in the last 24 hours as of 8:00 a.m. local time Sunday across Bangladesh.
In recent months, the lab-leak theory has gained great traction pushing US President Joe Biden to give the American intelligence team a 90-day deadline to find answers into the virus origin.
Kerala CM Pinarayi Vijayan observed that the test positivity rate is now down to 10% as opposed to a whopping 29%.
Congress MP, Benny Behanan said the figures provided by Vijayan in his daily statement on Thursday show 15,025 Covid deaths.
More than 41.10 crores (41,10,38,530) vaccine doses have been provided to states/UTs (union territories) so far, through all sources.
Sri Lanka's health authorities administered the highest number of Covid-19 vaccines in a single day with nearly 400,000 people inoculated.
Suniel Shetty, who resides in Prithvi Apartments in South Mumbai's Altamount Road, tweeted claiming there is no "Delta Variant" in his building society. The actor said that while a notice has been put up on one wing, the entire building has not been sealed.
Pfizer says it plans to meet with top US health officials Monday to discuss the drugmaker's request for federal authorization of a third dose of its COVID-19 vaccine.
The death rate of doctors in the last two months has increased drastically, Indonesian Medical Association's Mitigation Team Leader Adib Khumaidi told a press conference on Friday.
Sam Sullivan, who runs a gym in Sydney's inner west, told Xinhua news agency on Saturday that the gym lost at least 30 per cent of its members since the start of the lockdown about two weeks ago.
In its latest update on Saturday morning, University's Center for Systems Science and Engineering revealed that current global caseload, death toll and the total number of vaccine doses administered stood at 185,972,770, 4,017,196 and 3,387,882,504, respectively.
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