After Ebola, two other tropical diseases pose new threats

By Kate Kelland LONDON (Reuters) - A little-known bacterial disease may be killing as many people worldwide as measles, scientists said on Monday, while a mosquito-borne virus known as Zika is also raising global alarm. The spread of Ebola in West Africa last year shows how poorly-understood diseases can emerge and grow rapidly while researchers race to design and conduct the scientific studies needed to combat them. Researchers in the journal Nature Microbiology called for the bacterial infecti