The United States Centers for Disease Control and Prevention (CDC) has endorsed Pfizer COVID-19 vaccine booster shots for individuals at high risk of exposure because of their jobs, in a move that overrules the recommendation by its own panel of health experts.CDC director Rochelle Walensky said the agency had to act on “complex, often imperfect data” for the greater good of public health.“In a pandemic, even with uncertainty, we must take actions that we anticipate will do the greatest good,” she said in a statement on Friday.
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