• male
• 30 Years
• 31/03/2021

What is infectious agent?

Answered by 1 Apollo Doctors

Dr Kareemulla Shaik

General Practitioner

• MBBS
• 0+ Yrs

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Infectious agents are organisms that are capable of producing infection or infectious disease. They include bacteria, fungi, viruses, and parasites

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Answered 04/07/2025

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So, I went to get my beard shaved at a barber shop, and I noticed that the barber didn't change the blade. I ended up with a small cut too. Should I be worried about the risk of HIV transmission in this situation?

Visit Physician for evaluation and appropriate management

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One of my close friends has multidrug-resistant lymph node tuberculosis, and she's currently undergoing treatment. The test results for her sputum came back negative. I'm wondering if this condition is contagious in any way, and if there are any precautions we should consider. Can you advise?

Although your friend's sputum reports are negative, Multi-Drug Resistant (MDR) lymph node TB can still be contagious through close contact, especially if your friend has a cough or is experiencing lymph node drainage; take precautions like wearing a mask, avoiding close contact, covering mouth and nose while coughingsneezing, and ensuring good ventilation to minimize transmission risk.

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I'm really worried after visiting a barber shop because I'm afraid I might have been exposed to infections like HBV, HCV, or HIV. Could you tell me more about when I should get tested? I heard that an antibodies test for HIV can be done after 4 weeks or even up to 12 weeks, but I also read something about a p24 antigen test that can be taken after 4 weeks. How accurate are these tests? I could really use some advice right now.

Antibodies test for HIV can be performed after 4 weeks for preliminary results, but for more accurate results, it is recommended to wait for 12 weeks post-exposure. The p24 antigen test can be performed after 4 weeks to detect the HIV virus directly. It is important to follow up with healthcare provider for further evaluation and management.

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Disclaimer: Answers on Apollo 247 are not intended to replace your doctor advice. Always seek help of a professional doctor in case of an medical emergency or ailment.