The PHLS is particularly concerned that the level of risk taking appears to be increasing.

BBC: Record number of UK HIV cases

Dr Carol Joseph of the PHLS said infection rates were well below what GPs would normally expect.

BBC: Flu rate 'at record low'

Dr Nicholl said the PHLS had identified combating HIV as a top priority.

BBC: Record number of UK HIV cases

Last month, figures from the PHLS showed the number of newly diagnosed HIV cases in the UK had reached an all-time high.

BBC: You are in: Health

The case was reported in the PHLS publication Communicable Disease Report Weekly.

BBC: New superbug found in UK

The PHLS will present information about HIV in the UK to the International Aids Conference starting in Durban, South Africa, starting on Sunday.

BBC: Record number of UK HIV cases

Dr John Watson, head of the respiratory division at the PHLS and one of the report's authors, told BBC News Online the findings "could be an argument in favour of offering testing to all patients with TB under the age of 55".

BBC: HIV tests for TB patients call