وفّر 50٪ من خلال الاشتراك السنوي في مجرة واحصل على تصفح لا محدود لأفضل محتوى عربي على الإنترنت.
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طرحت الطريقة التي تفاعلت بها أجسام الأطفال مع كوفيد-19 تساؤلات حول الجهاز المناعي لديهم وبماذا يختلف عن نظيره لدى البالغين، هنا سنجد الإجابة حول طريقة عمل هذه الأجهزة المذهلة، ولماذا تُعدّ مع ذلك اللقاحات ضرورية للأطفال.
5 دقائق
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