The distressful ailments known to laymen as colds, grippe, flu and viral pneumonia make up a spectrum of illnesses for which doctors have long had fancier names but no cures and mostly so-so vaccines. Last week the U.S. Public Health Service announced a breakthrough in the campaign against these assorted "upper respiratory infections": a vaccine that appears to be effective against a common one, Type 3, in the grippe family.
The vaccine was made by the same process as the Salk polio vaccine, using formaldehyde to inactivate the virus. The virus is one of the group that doctors ponderously call adenoidal-pharyngeal-conjunctival (from...
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