Johns Hopkins’ Hansoti Booster shots are in the spotlight, as a highly anticipated study in Israel showed a third Pfizer Inc. dose can dramatically reduce rates of virus-related illness in people 60 and older. The analysis comes as Pfizer and Moderna Inc. said the immunity offered by their vaccines may wane over time. China has fully vaccinated more than 1 billion people — more than 70% of its eligible population — powering ahead of the U.S. and Europe despite having no immediate plans to ease some of the strictest pandemic measures in the world. A Covid outbreak inside the Kremlin has sickened dozens of people working close to Vladimir Putin, the Russian president said, highlighting the scale of the outbreak in one of the country’s most carefully guarded areas. Key Developments: Global Virus Tracker: Cases pass 226.3 million; deaths exceed 4.6 million […]