Una pregunta fundamental en momentos en los que el gobierno de Estados Unidos se prepara para enviar decenas de millones de dosis al extranjero para ayudar a frenar la pandemia
El envío de vacunas contra el COVID-19 a África se ha paralizado “casi por completo” al tiempo que los contagios se han disparado 20% en las últimas dos semanas, indica la Organización Mundial de la Salud, un escenario desalentador para el continente en esos dos frentes críticosMuchos medicamentos y vacunas pueden durar años si son almacenados correctamente, pero pueden empezar a perder su efectividad de forma parecida a como se degradan los alimentos en una...
Los proveedores de vacunas deben estar atentos a las fechas de caducidad de cada lote, para asegurarse de que se utilicen a tiempo. Las fechas de caducidad de las vacunas se determinan en función de los datos que el fabricante envíe a los reguladores, en los que muestra cuánto tiempo se mantienen las vacunas con la efectividad adecuada, comentó Norman Baylor, exdirector de vacunas de la Administración de Alimentos y Medicamentos.
Se llama “valoración de la potencia” y puede variar según la vacuna. Algunas, como las del tétanos, generalmente duran unos dos años si son almacenadas correctamente.
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