...cent, are perfectly protected ; while 59^ per cent, are susceptible to varioloid, or to re-vaccination to such a degree as to render their protection perfectly...in protective power, and reasonably attributable to spurious or impaired vaccination from a variety of causes, such as vaccination during the progress...

...cent, are perfectly protected ; while 591 per cent, are susceptible to varioloid, or to re-vaccination, to such a degree as to render their protection perfectly...unmodified small-pox, from a second attack, is only 2J per cent, greater than the protection afforded by vaccination ; a proportion too small to be regarded...

...attack at adult age, is 43 per cent., while 75 per cent, are liable to it again in some form or other. 4. That the degree of protection afforded by previous unmodified small-pox, from a second attick, is only 2-J- per cent, greater than the protection afforded by vaccination; a proportion too...

...cent, are perfectly protected, while 59J per cent, are susceptible to varioloid or to revaccination to such a degree as to render their protection perfectly...in protective power, and reasonably attributable to spurious or impaired vaccination from a variety of causes, such as vaccination during the progress...

...only 21-2 per cent, less liable to have it again than those who have been vaccinated in infancy — a proportion too small to be regarded as any evidence...in protective power and reasonably attributable to spurious or impaired vaccination from a variety of causes, such as, etc. — AN Bell, i, 38. Neck,...

...are perfectly protected, while $<)}/2 per cent, are susceptible to varioloid or to a revaccination to such a degree as to render their protection perfectly...unmodified small-pox from a second attack is only 2 y* per cent greater than the protection afforded by vaccination; a proportion too small to be regarded...

...cent, are perfectly protected, while 59J per cent, are susceptible to varioloid or to revaccination to such a degree as to render their protection perfectly...unmodified smallpox, from a second attack, is only 2J per cent, greater than the protection afforded by vaccination ; a proportion too small to be regarded...

...vaccination, 40£ per-cent. are perfectly protected ; « while 59 i per-cent. are susceptible to A-arioloid, or to re- vaccination to such a degree as to render...protection afforded by previous unmodified small-pox, for a second attack, is only 2£ per-cent. greater than the protection afforded by vaccination ; a...

...cent, are perfectly protected; while 59* per cent, are susceptible to varioloid, or to re-vaccination to such a degree as to render their protection perfectly...That the degree of protection afforded by previous unmodr fied small-pox, from a second attack, is only 2} percent, greater than the protection afforded...