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Tuberculosis, HIV virus: deseases worldspread

Scientific characteristics, care and impact



1. Introduction

8. TB treatment

2. TB spread medium

9. Links wiith HIV virus

3. TB Pathogen Agent

10. Map of TB incidence in the world

4. Comparaison of TB

5. TB desease signs

6. TB diagnosis

7. TB prevention

Tuberculosis of TB
-> the 10th first cause of deaths in the world
-> with 1,4 million casualities
(including 208 000 infected persons by HIV virus).

2019's datas


TB spreads

- It is not spread by
- shaking somenone's hand
- sharing food or drink
- touching bed linens or toilet seats
- sharing toothbrushes


- transmission medium: through the air from one person to another

People with TB disease are most likely to spread it to people they spend time with every day. This includes family members, friends, and coworkers or schoolmates.

-pathogene agent: bacteria Bacillus Tubercule

When a person breathes in TB bacteria, the bacteria can settle in the lungs and begin to grow.

TB's pathogen agent

From there, they can move through the blood to other part of the body, such as kidney, spine or brain.

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- TB bacteria can live in the body withoutmaking you sick

- the body is able to fight the bacteria to stop them from growing.

- have no symptoms
-don't feel sick
-cain't spread TB bacteria to others

-positive TB skin reaction or positive TB blood test
- may develop TB desease if they don't receive treatment for latent TB infection

latent TB infection

- The bacteria become active if the immune system cain't stop them from growing

- TB bacteria are active if they are multplying in the body

- they are sick

- they may also be able to spread the bacteria to other people

- for people whose immune system are weak, especially those with HIV infection, the risk of developing TB desease is much higher than for the people with a normal immune system

TB desease

- a bad cough that last 3 weeks or longer

- pain in the chest

- coughing up blood or sputum

TB Signs and symptoms

- weakness / fatigue

- weight loss / no appetite

- chills / fever & sweating at night

Symptoms of TB disease in other parts of the body depend on the area affected.


-> take medicine

if you are infected

-> Bacille Calmette-Guérin vaccine for children

+ info

  • People with HIV infection
  • People who became infected with TB bacteria in the last 2 years
  • Babies and young children
  • People who inject illegal drugs
  • People who are sick with other diseases that weaken the immune system
  • Elderly people
  • People who were not treated correctly for TB in the past

TB diagnosis

Diagnostic Microbiology

+ info


Chest Radiograph

+ info


Test for TB infection

+ info


Physical Examination

+ info


Medical History

+ info


The presence of acid-fast-bacilli (AFB) on a sputum smear or other specimen often indicates TB desease.

It allows to find the MPT 664 antigen or M tuberculosis for Myobacterium Tuberculosis.

An antigen

  1. a toxin or other foreign substance which induces an immune response in the body, especially the production of antibodies.

-> to detect aabnormalities

-> comparaison with "normal" lungs in the area of size, shappe, density, and cavitation

-> not used alone to detect definitely TB

The Mantoux Tuberculin Skin Test or TST recommended by the US center American Thoracic Society

TB blood test

A physical exam can provide valuable information about the patient’s overall condition and other factors that may affect how TB is treated, such as HIV infection or other illnesses.

-> context exposition TB

-> demographic factors

- > medical conditions of other infections like HIV virus or diabete

TB treatment

Treatment for TB usually involves taking antiobiotics for several months.

+ info

Without Treatment

-> if it is untreated, the death may be a fatal issue of TB desease

Medical Care

-> Most people do not need to be admitted to hospital during treatment.

Risks treatment

-> antibiotics resistance caused by hospital-acquired infections

-> multi-drug resistant TB

Relation between TB AND HIV virus