There were 12 days between Steve Walsh leaving a business conference in Singapore and finding out he had been infected with the new coronavirus. When he was tested, he did not even have any symptoms.
A man has died of the coronavirus in the Philippines in the virus's first confirmed fatality outside China.
The new Chinese virus which has already spread abroad "is still preventable and controllable", China says.
One in five deaths around the world is caused by sepsis, also known as blood poisoning, shows the most comprehensive analysis of the condition.
Samoa has arrested an anti-vaccination campaigner as the country continues to battle a deadly measles outbreak.
More than 140,000 people died from measles last year as the number of cases around the world surged once again, official estimates suggest.
A patient has been diagnosed with the rare viral infection monkeypox in the south west of England.
A measles outbreak in the Pacific nation of Samoa has killed 22 people, nearly all children under five.
A second Ebola vaccine is to be offered to around 50,000 people in the Democratic Republic of Congo, as part of a major clinical trial.
A Congolese journalist who had been raising awareness about the Ebola virus in the Democratic Republic of Congo has been killed at his home.
