Superspreader events that first seeded the coronavirus in the United States are keeping the pandemic smoldering, with experts pointing to human behavior and social circles as the main drivers.
In interviews with NBC News, individuals who were initially reluctant to get their vaccinations said nudging from family members, fears about emerging variants and having the ability to shrug off rumors about the shot were among the reasons they finally decided to roll up their sleeves, months after the shot became available.
Covid-19 infections have risen by 10% in a week in Europe after two months in decline and the risk of a new wave of cases is growing, says the World Health Organization.
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