Trials raise fears coronavirus is learning to resist vaccines - Los Angeles Times

1. Trials raise fears coronavirus is learning to resist vaccines  Los Angeles Times
2. Johnson & Johnson's Covid-19 vaccine, how it works and why it matters  CNN
3. Virus Outbreak: News and Analysis From Jan. 30, 2021  Bloomberg
4. Johnson & Johnson Announces Single-Shot COVID-19 Vaccine | TODAY  TODAY
5. What’s the Use of a Pretty Good Vaccine?  The Atlantic
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