Tag Archives: vaccine for COVID-19

What does “90% efficacy” mean for a Covid-19 vaccine?

While writing a newspaper article on the performance of various possible Covid-19 vaccines from different organizations, my wife, who is neither a statistician nor a vaccine expert, asked me what the 90% efficacy of a vaccine means. And suddenly I realized that such figures for potential test vaccines are never …

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Russian Sputnik V covid vaccine to be produced in India

The Russian Direct Investment Fund (RDIF) and the Indian pharmaceutical company Hetero have agreed to produce in India more than 100 million doses a year of the Sputnik V covid vaccine in India, Russia’s sovereign wealth fund said. Production of the Russian covid vaccine is expected to start in early …

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