joining us after the break for alex will turn from history to the present coronavirus and asked marc konigsberg i'm whether the current death toll of over $1000.00 in china will become a truly global infection or whether it will burn itself out like the sars virus before it joined us it. to. our. welcome back throughout history humankind has conducted and often an equal battle with strains of disease martin standards of hygiene and public health and many countries have contained infections but more than travel in our global village presents new dangers alex is interviewing journalist and author mark konigsberg on the potential threat from the current corona virus outbreak. well to homes mom is said that the modern world is particularly vulnerable to uveitis because of international travel but surely modern science is going to come to assist well i certainly hope so i said i mean yes i mean what we've seen in this century and even starting before with the flu outbreaks in the 1990 s. is that because of the great interconnectivity not just more jet travel more business travelers 'd more trade by