Diphtheria is a contagious bacterial infection that mainly affects the nose and throat.
Our Health A-Z contains more information on Diphtheria.
Altitude sickness is a common condition that can happen when you climb to a high altitude too quickly.
Our Health A-Z contains more information on High altitude pulmonary oedema.
Important: Our website provides useful information but is not a substitute for medical advice. You should always seek the advice of your doctor when making decisions about your health.
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