Into the unknown: Crack WHO team journeys deep into the Congo to identify mystery killer
Their urgent mission is to find out what is killing swathes of people in one of the most remote parts of the world

Their urgent mission is to find out what is killing swathes of people in one of the most remote parts of the world
Specialists rule out coronavirus but say that the disease affects the respiratory system, with symptoms particularly acute in young people
A family of four who visited the West Midlands unwittingly triggered one of the most severe measles outbreaks in Britain for almost a decade
More than 2,000 people brought malaria into Britain in 2023
More than 35,000 people die of antibiotic-resistant infections in Europe every year, and cases have risen across the region since 2019
The patient, the country’s first presumed human case of H5N1, was previously healthy and had no underlying conditions
All four people infected with the new clade 1b strain are from the same household and are in isolation
It took decades to make HIV drugs readily available in Africa – but now they are being left in the street
The WHO has declared a global health emergency over a new strain Clade 1b spreading in Africa. Here’s what you need to know
The new strain, called clade 1b, is thought to cause more severe disease and spread more easily between people
The mammals are described as effective ‘mixing vessels’ for influenza because they have receptors for both avian and human flu viruses
The patient, who had recently returned from Africa, has been transferred to a high-level isolation unit at the Royal Free Hospital in London
Health authorities confirm a fourth bird flu case – a farm worker exposed to sick cattle – and say two more are presumed to be infected
Major disease-tracking platform predicts the risk of a mutant variant will increase five-fold this winter
The haemorrhagic fever has now killed 11 people in Rwanda, with at least 25 more patients still fighting for their lives in isolation units
While experts stress this is not a ‘silver bullet’ to end the outbreak, the vaccination campaign cannot come soon enough