Word: infections
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...several years, Professor Evgeni Talalayev, chief of microbiology at Irkutsk University, collected caterpillars that had died naturally. Eventually he isolated one cause of death: a virulent bacterium, which he used to infect and kill large numbers of caterpillars. He then dried their bodies and ground them to powder...
...problem that had been elusive for so long." Dr. Enders, working with Dr. William McD. Hammon, promptly ran into frustration of his own. The only animals that would catch measles were monkeys, and only a few of these. The researchers thought that they had got measles virus to infect a cat, only to discover that the animal had a different virus disease: cat distemper. This led to the production of a valuable veterinary vaccine, but not what Enders was looking...
German Measles (rubella). Work goes on in several labs, including Enders', to get this unclassified virus to grow in tissue cultures. Since the illness in children is so mild, the raw virus could probably be used to infect girls before puberty; the danger is that if they escape childhood infection, exposure during the first three months of pregnancy may cause crippling or fatal damage to the fetus...
...reliably national. Balloonists are French, bomb throwers Bulgars, weeping drinkers Polish or Russian, and anyone who keeps a lioness as a pet is certain to be British. Author Joy Adamson was born in Vienna, but years of marriage to a senior game warden in Kenya were sufficient to infect her with a Briton's daft fondness for treating animals the way other people treat children...
...drug company, Parke, Davis, recently claimed to have isolated the hepatitis virus, but the claim was hotly disputed and never proved. All other attempts have failed. The virus is relatively insensitive to heat, cold, chemicals and ultraviolet rays. No vaccine can be prepared because the disease perversely refuses to infect any animal but man. The hepatitis bug's small size and its frequent presence in fecal matter indicate that it may actually be an enterovirus -one of a group of particularly tiny viruses (including polio) that are found in the human intestinal tract. Says...