Covid's Delta Variant: What We Know
The variant is gaining traction worldwide. But vaccines are driving down coronavirus case numbers in the U.S., and it’s unclear whether Delta will reverse that trend.
![Covid's Delta Variant: What We Know](https://static01.nyt.com/images/2021/06/22/science/22virus-delta-explainer-1/22virus-delta-explainer-1-moth.jpg?#)
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Filename: database/DB_driver.php
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File: /home1/redzatco/public_html/politys/application/config/config.php
Line: 338
Function: DB
File: /home1/redzatco/public_html/politys/index.php
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Function: require_once