Geneva: A deadly outbreak of psittacosis, also known as parrot fever, has claimed the lives of five people in European countries, according to a report by the World Health Organisation (WHO) on Tuesday. The report said the countries of Austria, Denmark, Germany, Sweden and The Netherlands reported an increase in psittacosis cases in February 2024 from last year.Geneva: A deadly outbreak of psittacosis, also known as parrot fever, has claimed the lives of five people in European countries, according to a report by the World Health Organisation (WHO) on Tuesday. The report said the countries of Austria, Denmark, Germany, Sweden and The Netherlands reported an increase in psittacosis cases in February 2024 from last year.