article_snippet: a UK Parliamentary group which focuses on TB follow a warning from World Health Organisation which said last year that multidrug-resistant TB was at 'crisis levels', with about 480,000 new cases in 2013.
article_snippet: X-ray of tuberculosis calcification caused by Mycobacterium tuberculosis Bacteria .
article_snippet: It is a man-made problem caused by regular TB patients given the wrong medicines or doses, or failing to complete regular TB patients treatment, which is highly toxic and can take up two years.
article_snippet: The fight against TB, the world's second deadliest infectious disease after HIV, is also hampered by a lack of an effective vaccine, multidrug-resistant TB said.
article_snippet: The only TB vaccine, BCG, protects some children from severe forms of TB - including one that affects the brain - but is unreliable in preventing TB in the lung, which is the most common form of the disease.
article_snippet: TB, which spreads through the coughs and sneezes of an infected person, killed 1.5 million people worldwide in 2013, according to the WHO.
article_snippet: The problem stems from the fact that bacteria that cause TB can develop resistance to drugs used to cure the disease.
article_snippet: Multidrug-resistant TB fails to respond to at least isoniazid and rifampicin, the two most powerful anti-TB drugs, according to the World Health Organization (WHO).
article_snippet: the World Health Organization (WHO) warned last year that multidrug-resistant TB(pictured) was at 'crisis levels', with about 480,000 new cases in 2013 .
article_snippet: We need better tools to deal with this new threat, but since TB primarily affects the poorest and most vulnerable in society, there is little commercial incentive to develop new drugs,' said Nick Herbert, co-chairman of the APPG TB.
highlights_snippet: World Health Organisation warned last year that multidrug-resistant TB was at 'crisis levels' - and exacerbated by fact there is no vaccine .