infectious disease
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infectious disease
A disease caused by the entry and multiplication of pathogens such as viruses, bacteria, fungi, or parasites in the body. Many infectious diseases are contagious and can be transmitted from one living being to another.
Masern sind eine hochansteckende Infektionskrankheit, gegen die man sich impfen lassen kann.
Measles is a highly contagious infectious disease that you can be vaccinated against.
This word is a clear example of a compound noun: it consists of 'die Infektion' (the infection), the linking -s, and 'die Krankheit' (the disease). So it is literally a disease that arises from an infection.
Gegen viele Infektionskrankheiten gibt es wirksame Impfungen.
There are effective vaccines against many infectious diseases.
Common verbs in connection with this word are 'eine Infektionskrankheit übertragen' (to transmit an infectious disease), 'sich mit einer Infektionskrankheit anstecken' (to catch an infectious disease), or 'eine Infektionskrankheit behandeln' (to treat an infectious disease).
Mücken können gefährliche Infektionskrankheiten übertragen.
Mosquitoes can transmit dangerous infectious diseases.
Pay attention to the prepositions: you suffer 'an' an infectious disease, you protect yourself 'vor' it, and you are vaccinated 'gegen' it.
Er leidet an einer chronischen Infektionskrankheit.
He suffers from a chronic infectious disease.
infection
'Infektion' and 'Infektionskrankheit' are very close because both have to do with pathogens such as viruses or bacteria. 'Infektion' tends to emphasize the entry and multiplication of the pathogens in the body, or the specific act of becoming infected. 'Infektionskrankheit' refers to the disease as a type or diagnosis caused by such pathogens. So you can say: an infection can lead to an infectious disease. The words are easy to confuse because both often occur with the same diseases.
Masern sind eine Infektionskrankheit und können sehr ansteckend sein.
Measles is an infectious disease and can be very contagious.
Nach dem Schnitt wurde die Wunde rot, und der Arzt vermutete eine Infektion.
After the cut, the wound became red, and the doctor suspected an infection.