To put it simply, a lot has changed since the start of the Covid-19 pandemic. Since 2020 (which feels like decades ago, by the way), the science and understanding around Covid transmission and prevention has evolved.
WSJ’s Daniela Hernandez explains what strategies for stemming Covid’s spread work, and which strategies are outdated in 2022.
0:00 How has science and our understanding of Covid evolved since the start of the pandemic?
0:26 Covid-19 symptoms knowledge, compared
1:05 Covid-19 testing knowledge, compared
1:36 Covid-19 treatment knowledge, compared
2:30 Covid-19 airflow knowledge, compared
3:16 Covid-19 social distancing knowledge, compared
4:01 Covid-19 mask-wearing knowledge, compared
4:56 Covid-19 hygiene knowledge, compared
I’m Daniela Hernandez, a health and science reporter for WSJ, and on this channel I’ll be covering a variety of subjects from Covid-19 to planetary science and climate change. If you’re interested in science and health and how cutting edge research impacts our lives, don’t forget to subscribe.
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