HIV Window Period Explained
The 'window period' in HIV infection signifies the interval between initial exposure to the virus and the time when diagnostic tests can reliably detect its presence.
Key Characteristics
- Viral Presence: HIV is present in the body after exposure.
- Immune Response Lag: The body has not yet produced a sufficient amount of antibodies or antigens that standard tests can measure.
- Test Results: Consequently, tests performed during this period may show a false-negative result.
Therefore, the defining feature of the HIV window period is that HIV antibodies are not detectable in tests.
This phase is crucial for understanding HIV testing timelines and the concept of seroconversion, where antibodies eventually become detectable.
Important Questions from Diseases and Causes
‘Beri-Beri’ is caused by the deficiency of __________.
Vectors are:
Match List-I with List-II and choose the correct answer using the codes given below :
List-I
(Crops)List-II
(Diseases)A. Paddy i. Wilt disease B. Wheat ii. Black Rust C. Sugarcane iii. Red Rot D. Pigeon Pea iv. Brown leaf spot - Diabetes mellitus is caused by the inadequate secretion of which hormone?
______ of antibiotics may lead to nausea, stomach ache, dysentery, rash, white patches on the tongue etc.
