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Explainer: What’s behind varying efficacy data for Sinovac’s coronavirus vaccine?

Sinovac said its trial designs are not identical among countries, but the results are sufficient to prove that the vaccine is safe and effective.

Jerome Kim, head of vaccine research group International Vaccine Institute said it would be possible to combine data from multiple studies with varied trial designs but it could involve additional statistical manipulation.

“That could compromise the clean interpretation of the results, and may impact the chance for these data to be accepted by regulatory bodies.”

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Kerala suffered Rs 1.56 lakh crore revenue loss due to COVID pandemic and lockdown:Finance minister Isaac

Kerala Finance Minister T M Thomas Isaac, who tabled the Left government’s Economic Review 2020 in the state assembly, a day ahead of the state budget,said natural disasters including Cyclone Ockhi of 2017, two consecutive floods of 2018, ’19 and the pandemic affected the state’s economy along with the return of non-resident Keralites (NRKs) from abroad, mostly following job loss.

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Tata puts post-pandemic bet on digital, electronics and health

N Chandrasekaran, chairman , Tata Group said the adoption of technology and shift in consumer and corporate behaviour will lead to the creation of new and shared workplaces closer to where people live.
“We are very serious about electric vehicles,” Chandra said, adding that Tata is investing in developing clean technology cars at home through Tata Motors and at JLR.

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Covid-19: No herd immunity in 2021, WHO warns

WHO’s chief scientist Soumya Swaminathan warned it would take time to produce and administer enough vaccine doses to halt the spread of the virus.

“We are not going to achieve any levels of population immunity or herd immunity in 2021,” she said, stressing the need to maintain physical distancing, hand-washing and mask-wearing to rein in the pandemic.

BioNTech, warned that Covid-19 would “likely become an endemic disease”, and said vaccines would need to fight against the emergence of new viral variants and a “naturally waning immune response”.

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