5 votes

Rationale for tuberculosis vaccines?

Wait, do BCG vaccines even work? Although there is some nuance with regards to vaccination schedule and outcome, overall, yes. A relatively recent systematic review by Roy and colleagues (2014. PMCID ...
Ian Campbell's user avatar
  • 2,991
4 votes

Is tuberculosis without expectoration contagious?

No, it's not true according to the CDC. The TB bacteria are put into the air when a person with active TB disease of the lungs or throat coughs, sneezes, speaks, or sings. When you speak you force ...
Graham Chiu's user avatar
  • 13.2k
3 votes
Accepted

Consumption and Tuberculosis

Yes, TB can affect bones (in extrapulmonary or more precisely osteoarticular TB), but that form is relatively rare nowadays [even more so in the West], and even rarer for the sternum to be affected. ...
Fizz's user avatar
  • 5,928
3 votes
Accepted

Getting red spot after 3 days of Tb Skin test

First, tuberculosis is caused by a bacterium, not by a virus. There are a number of different skin tests used for tuberculosis. The common ones are the Mantoux test, the tine test, and the no-longer-...
Mark's user avatar
  • 2,003
3 votes
Accepted

Is the T-spot blood test sensitive enough to determine difference between exposure to the tuberculosis and tuberculosis vaccination?

The T-spot blood test for tuberculosis is an interferon-gamma release assay (IGRA or IFN-γ assay). There are two of these tests (Quantiferon and T-spot) with small differences, but the basic ...
YviDe's user avatar
  • 6,982
2 votes

Why liver damage from Isoniazid (medicine of TB) is more in Africans? What is it that make Caucasians more immune?

Firstly the causes of liver failure in those taking the drug (1): The cause of liver injury due to Isoniazid is believed to be accumulation of a toxic intermediate of its metabolism. Rates of injury ...
Jiminy Cricket.'s user avatar
2 votes
Accepted

How would the tuberculosis vaccine (BCG) decrease severity of COVID-19?

BCG vaccination appears to enhance the humoral response to general infection. There is said to be also enhanced response so therefore protection against influenza. The trial above is to see if it ...
Graham Chiu's user avatar
  • 13.2k
2 votes

Tuberculosis: Lung scarring and weight gain

Tuberculosis and scarring That scar on the X-rays is likely a leftover from either a lymphadenopathy or a lung cavity. A lymphadenopathy is a swelling of the lymph nodes and appears in almost all ...
YviDe's user avatar
  • 6,982
2 votes
Accepted

Tuberculosis: Lung scarring and weight gain

No, it is not compulsory for all the patients to have/develop a scar which is most probably the pulmonary fibrosis or might be residual parenchymal lesions. In certain cases, it is due to not doing ...
ABcDexter's user avatar
  • 365
2 votes
Accepted

Tested negative for TB and then tested positive for TB?

You don't specify which test was used to screen for TB, in this answer I will assume that Mantoux test was used. You probably were vaccinated using Calmette-Guérin vaccine. Unfortunately this has ...
KingBOB's user avatar
  • 439
1 vote
Accepted

What's the margin of error for the estimate on the percentage of people infected with latent tuberculosis?

Yes, estimating the prevalence of latent tuberculosis infection using the TST is not trivial. Use only of the TST to define latent tuberculosis infection requires specification of a cut-point for ...
Diana Petitti's user avatar
1 vote

I am not a student of medicine but a research scientist in Algorithms. I wish to contribute to medicine and am looking for a starting point.

Since you wish to contribute to research, I suggest you go to PubMed and read as many recent papers published on the topic to acquaint yourself with the latest developments to see if there is anything ...
Graham Chiu's user avatar
  • 13.2k
1 vote
Accepted

Crohn's or Koch's disease

The doctor should be able to differentiate between these two diseases. Crohn's: GI inflammatory disease Diagnosed through blood tests and/or stool sample and/or GI procedures (colonoscopy, endoscopy....
Mango Princess's user avatar

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