Mass. 576, 577-578. In Cameron v. New England Tel. & Tel. Co. 182 Mass. 310, 312, it was again Chief Justice Holmes who said: "The principle of the Spade case is confined strictly to cases where the connection of the physical illness with the fright is wholly internal. When the fright reasonably induces action which results in external injury, the defendant may be liable as well as when the impact is brought about without the intervention of the plaintiff's consciousness." In Freedman v. Eastern Mass. St. Ry. 299 Mass. 246, recovery *222 was permitted by a passenger who suddenly twisted her shoulder when she jumped from her seat to escape impending danger from a broken window. After a full citation of our cases, Mr. Justice Dolan said foryears and to immunise all those unvaccinated with one dose of MMR vaccine; medical specialists in hospitals and outpatient settings were requested to be alert to the early detection, timely reporting, isolation, diagnosis, and treatment of measles cases. It was also recommended to hospitalise patients with measles living in crowded households, in order to ensure better conditions for treatment and care and to minimise the spread of the disease in communities with poor living conditions. Therefore, most of the cases in the affected regions were admitted to the infectious diseases ward (159, 96%).

Vaccination coverage in Bulgaria
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The measles monovalent vaccine was introduced in Bulgaria in 1969. Consecutively, the combined MMR vaccine was implemented for the first dose given at 13 months of age (in 1993) and the second dose