Heating a meal in the microwave until steam appears seems enough to eliminate bacteria, but some parts may remain cold: US authorities recommend stirring or rotating the food and checking that leftovers reached 74 °C.

Original: Esquentar uma marmita no micro-ondas até começar a sair vapor parece suficiente para eliminar bactérias, mas algumas partes podem continuar frias: autoridades americanas recomendam mexer ou girar o alimento e verificar se as sobras atingiram 74 °C.

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Correct reheating of lunchboxes in the microwave eliminates dangerous bacteria and avoids cold spots with thermal measurement at 74 degrees. The post Heating a lunchbox in the microwave until steam appears seems sufficient to eliminate bacteria, but some parts may remain cold: US authorities recommend stirring or rotating the food and checking if leftovers reached 74 °C. appeared…

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