By Mrinalika Roy and Jennifer Rigby LONDON (Reuters) -There have been more than 1,000 monkeypox cases reported to the World Health Organization in the current outbreak outside the countries in Africa where it more commonly spreads. WHO Director-General Tedros Adhanom Ghebreyesus said the risk of monkeypox becoming established in these non-endemic countries was real but preventable at this point. Twenty-nine countries have reported cases in the current outbreak, which began in May. None have reported deaths. At a media briefing in Geneva, Tedros also said there had been more than 1,400 suspecte…