tle good. Betumn of 1918 and spring of toll in Britain h similar numbers dead in France and Germany.
No one knooll, as records in ten poor, but it less timates total as high as 100 million.
In an attempt to devise a vaccine, medical auties conducted tests on volunteers at amilitary prison on Deer Island in Boston tery of tests. tests o say t. First ts ed ed lung tissue taken from tious aerosols. If till failed to succumb, ts saken from to sitopen-moutim heir faces.
Out of—someeered, tors cy-tests. None contracted t one. tor, ion for t teers, all of ation, ural immunity.
Muc tood poorly or not at all. One mystery is eruptedsuddenly, all over, in places separated by oceans, mountain ranges, and ots. A virus can survive for no more tside a body, so appear in Madrid, Bombay, and Phe same week?
t it ed and spread by people oms or none at all. Even in normal outbreaks, about 10 percent of people are una because ts. And because tion tend to be t spreaders of the disease.
t for tbreak’s ribution, but it still doesn’texplain managed to lay loing so explosively at moreor less time all over. Even more mysterious is t it ating topeople in t on infants and t in tbreak deaties and ties. Olderpeople may ed from resistance gained from an earlier exposure to train,but mystery of all is . e still have no idea.
From time to time certain strains of virus return. A disagreeable Russian virus kno againin t in time eacime is uncertain. One suggestion is tviruses unnoticed in populations of rying t a neion of ty t t Swine Flu epidemicmigs head.
And if it doesn’t, ot. New and frigime.
Ebola, Lassa, and Marburg fevers all ended to flare up and die do no onecan say t t quietly mutating aopportunity to burst fortastrop is no t AIDS ed. Researc terRoyal Infirmary in England discovered t a sailor reatablecauses in 1959 in fact for for anoty years.
t ot gone rampant. Lassa fever, detected until 1969, in est Africa