The United States has reported 7 million coronavirus cases, and Director of the National Institute of Allergy and Infectious diseases, Dr. Anthony Fauci says we are still in its first wave of the coronavirus pandemic. CNN's Nick Watt reports.

President Donald Trump claimed that the White House could override the US Food and Drug Administration if the agency released tougher standards for the authorization of a Covid-19 vaccine, casting such a move as "political." CNN's Erica Hill reports.

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Here are 30 things learned about COVID-19 since January 2020 with Stacker pulling data and details from various credible sources including the Centers for Disease Control and Prevention, STAT, scientific papers, and news organizations.