I'm really worried because my father-in-law just tested positive for COVID-19. His report says "RESULTS Positive" but there's also something called "Bio Ref Interval" that shows as "Negative." Can you help me understand what that means? Is this related to a stage of COVID-19, or does it indicate something else?

Answered by 1 Apollo Doctors

Dr Chandra P

General Practitioner

MBBS
5+ Yrs

Consult Now

The "Bio Ref Interval" being negative typically indicates that the test result falls outside the reference range for a negative result, confirming the presence of the virus. As for COVID-19, it doesn't have specific "stages," but the severity can vary from mild to severe, and it is categorized based on symptoms and clinical findings, such as mild, moderate, severe, and critical. It's important to monitor his symptoms and follow healthcare advice for appropriate management.

Dr. Chandra Suggests...

Consult a Infectious Disease specialist

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Answered 04/07/2025

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I'm kind of worried and need some guidance. Its been 53 days since I might have been exposed to HIV. I used an automated Western blot system for testing and the result came back negative. Does this mean I'm definitely in the clear, or should I be concerned? What does "negative conclusion" mean in this context? I really need to understand what my next steps should be.

Yes you are negative for HIV if you are concerned get your self after 6 months if that turns out to be negative you are free from the disease

Answered by 1 Apollo Doctors

I'm really worried about my brother who's had a fever for about a week now. The fever comes and goes and our family doctor suggested a Widal test. His results came back with S. typhi O 180, S. Typhi H 180, S. Paratyphi AH 120, and S. Paratyphi BH 120. I'm not sure what these numbers mean. Could you tell me if it looks like he has typhoid?

report it normal but it will not exclude the possibility by 100% because there may be false negative , consult physician and show the report

Answered by 1 Apollo Doctors

I'm really worried about my HIV exposure. I took an HIV test at both 3 months and 7 months post-exposure, and both results were negative. Are these results definitive, or is there a possibility I should get tested again? I would really appreciate your guidance.

no need

Answered by 1 Apollo Doctors

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