By Natalie Grover LONDON (Reuters) – Outbreaks of endemic diseases such as monkeypox and lassa fever are becoming more persistent and frequent, the World Health Organization’s (WHO) emergencies director, Mike Ryan, warned on Wednesday. As climate change contributes to rapidly changing weather conditions like drought, animals and human are changing their behaviour, including food-seeking habits. As a result of this “ecologic fragility”, pathogens that typically circulate in animals are increasingly jumping into humans, he said. “Unfortunately, that ability to amplify that disease and move it on…