Question

la cadena de infección comienza con:

un agente infeccioso.
una persona susceptible.
un reservorio.
un modo de transmisión.

Explanation:

Translate the question and options

The Spanish prompt "La cadena de infección comienza con:" translates to "The chain of infection begins with:".
The options translate as follows:

• "Un agente infeccioso." -> "An infectious agent."
• "Una persona susceptible." -> "A susceptible person."
• "Un reservorio." -> "A reservoir."
• "Un modo de transmisión." -> "A mode of transmission."

Identify the first link in the chain of infection

The chain of infection is a sequence of events required for an infection to develop:

1. Infectious agent (pathogen)
2. Reservoir
3. Portal of exit
4. Mode of transmission
5. Portal of entry
6. Susceptible host

The chain begins with the infectious agent.

Match with the correct option

The correct option is "Un agente infeccioso."

Answer:

• (A) Un agente infeccioso. (Correct answer)
• (B) Una persona susceptible.
• (C) Un reservorio.
• (D) Un modo de transmisión.