Watch: The scientific understanding of Covid-19's transmission and prevention has evolved since the start of the pandemic. WSJ’s Daniela Hernandez explains what strategies have worked for stemming the spread of the virus and which are outdated in 2022.
what strategies have worked for stemming the spread of the virus and which are outdated in 2022. Illustration: Adele MorganDaniela Hernandez extends her health and science reporting to cover a variety of relevant subjects from Covid-19 to climate change.The new BA.2 Omicron variant has public health experts worried about potential new Covid-19 surges. WSJ’s Daniela Hernandez explains what you need to know about this new, more transmissible Covid variant.
Illustration by: Adele MorganBritish scientists have developed a genetically modified purple tomato that is packed with antioxidants, and it could be approved for sale in the U.S. this year. But will consumers bite, or will GMO unease get in the way? WSJ’s Daniela Hernandez explains the debate. Photo: John Innes CentreThe effects of Russia’s invasion of Ukraine are spilling into space and affecting large astronomy projects.
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