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COVID-19 vaccination rates in Clinton and Jackson counties continue to edge up, as a new study from the University of Iowa showed that the virus is hitting rural communities much harder than metropolitan areas right now. 

CNN's Dr. Sanjay Gupta took on one of the hardest interviews, taking questions from children. He met with elementary students in Atlanta to answer their questions about Covid-19 and how to stay safe. They spoke outside in masks in compliance with school policy.

In the earliest days of the pandemic, why did scientists, first consider, then quickly dismiss that this virus could be bio-engineered? A CNN special report, hosted by Dr. Sanjay Gupta, delves into the potential origins of the virus that caused the pandemic. -- Sunday at 8 p.m. ET/PT on CNN.

Vaccine advisers to the US Food and Drug Administration declined to recommend the agency approve Covid-19 booster doses for everyone who got vaccinated six months ago or longer. However, they did recommend a more limited step: emergency use authorization for people 65 and older, and for peop…