There is always a time lag between the infection and appearance of AIDS symptoms called as?

Options

A. Incubation period (5-10 months)
B. Window period (5-10 months)
C. Incubation period (2-12 months)
D. Incubation period (5-10 yrs)

Answer

To answer the question regarding the time lag between infection and the appearance of AIDS symptoms, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks for the term that describes the time lag between the infection with HIV (the virus that causes AIDS) and the appearance of AIDS symptoms.

2. **Identifying Relevant Terms**:
- **Incubation Period**: This term generally refers to the time between exposure to an infectious agent and the appearance of symptoms.
- **Window Period**: This term refers to the time after infection during which the virus is present in the body but cannot be detected by tests.

3. **Focusing on AIDS**: For AIDS specifically, the incubation period is crucial. It is known that after being infected with HIV, it can take several years before the symptoms of AIDS appear.

4. **Determining the Correct Term**:
- The incubation period for AIDS is typically 5 to 10 years, which is the time frame in which an infected person may not show any symptoms but can still transmit the virus.
- The window period for HIV testing is around 25 days, which is different from the incubation period.

5. **Final Answer**: The correct term for the time lag between HIV infection and the appearance of AIDS symptoms is the **"incubation period."**

### Summary:
The time lag between the infection and the appearance of AIDS symptoms is called the **incubation period**, which lasts approximately 5 to 10 years.

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