Question

Explain how the presence of different subgroups and clades of the HIV

3. can make it easier for epidemiologists to track the route of transmission of the virus,

4. while at the same time, complicate the detection of the virus in patients

Answer 1

HIV is begining is seperate into distinctive group it is The clades of HIV or HIV subtype .Generally in clades of HIV viruses is vary by 15-20 % within in a clade .between the clades they vary by 30 % or more .HIV -1 is the most common and major type of the HIV ,it has 11 clades .in a different country Like United States 90 % people is generally HIV caused by HIV-1 . HIV -1 is also common clade in western world and South Africa clade is C .East and Asia Clade C is the common .

The second HIV 2 is primarily found western Africa .The progress and from infection to AIDS longer with the HIV 2 .

The infection route of HIV include several types of stages

1) In this stage infection occur and persistant like swollen on lymph nodes.

2)it include conditions like mouth,throat or ,persistent diarrhoea ,fever etc.

3)in this stage AIDS indicator by candida albicans infection on esophagus .bronchi and lungs .

The HIV virus is also affect to T cell and CD4 cells and damagevimmune system.

The detection of HIV include detect antibodies.The ELISA is a test usedbto diagnosis of AIDS .and Plasma viral loads test also detect HIV in circulating blood .