Biology 9700 · AS & A Level · Infectious diseases

Infectious diseases — practice question

Comorbidity refers to a situation in which a person has two or more diseases or medical conditions at the same time. Certain medical conditions are especially likely to lead to comorbidity. In one case, an initial infection by one pathogen can raise the chance of developing a second disease by a factor of 15 or more. This second disease is the main cause of death in these people. Which description could match this example?

  • Acholera infection followed by development of malaria
  • Bcholera infection followed by development of AIDS
  • CHIV infection followed by development of TB
  • Dmalaria infection followed by development of TB

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