Eric Walker added China Returns to Its Strict Covid Restrictions to Fight a New Outbreak - The New York Times to a number of topics
Eric Walker added BioNTech CEO says vaccine 70% to 75% effective for India variant to 2021-04 B.1.617
Eric Walker added India's 'double mutation' covid virus variant is worrying the world to 2021-04 B.1.617
Eric Walker added Delta plus variant and a number of links to Delta variant, and added Delta variant to 2021-04 B.1.617
Eric Walker added 2020-10 Kappa variant and 2020-10 Delta variant and a number of links to B.1.617, and added B.1.617 to a number of topics
Eric Walker added 2021-04 B.1.617 and Coronavirus: 'Double mutant' Covid variant found in India - BBC News to L452R mutation, and added L452R mutation to SARS-CoV-2 strains and variants
Eric Walker added 2021-04 B.1.617 and Coronavirus: 'Double mutant' Covid variant found in India - BBC News to E484Q mutation, and added E484Q mutation to SARS-CoV-2 strains and variants
Eric Walker added a number of topics and The varying variants that plague us and New Brazil coronavirus variant found in nearly half of Amazon city cases | Reuters to Specific SARS-CoV-2 variants, and added Specific SARS-CoV-2 variants to SARS-CoV-2 strains and variants
Eric Walker added 2021-04 Twitter blocks critics of how the Indian government has handled the Covid-19 pandemic, Delta plus variant and 2021-04 B.1.617 and a number of links to Covid-19 pandemic in India, and added Covid-19 pandemic in India to Covid-19 pandemic in Asia and India