The toxin antitoxin mixture as compared with anatoxin has the advantage of a mild local and
general reaction Anatoxin on the other hand gives a strong reaction but the immunization …

It has been suggested that the contamination of smallpox vaccine with other organisms might
have been the cause of those cases of post-vaccinal encephalitis which appeared lately in …

The risk of a toxin-antitoxin mixture containing phenol becoming dangerously toxic as the
result of freezing only occurs in mixtures of the type of 0.85L+ and 1L+, each of which contains …

Several cases of a poliomyelitic disease with a tendency to encephalitis have been reported
in Holland. Spinal cords were obtained from two fatal cases of this disease in children. …

The work for 1920 was abstracted in this Bulletin, Vol. "19, p. 282. The dates of appearance
of larvae and of males of Anopheles maculipennis during 1921 were April 29 and May 1, …

There is much ignorance still of the nature and use of vaccines, which is all the more
disquieting in view of the modern tendency toward medication by subcutaneous inoculation. …

Malaria has been so troublesome in North Holland as to justify the appointment towards the
end of 1919 of a Commission to investigate and control it. Its work for 1920 is here reported. …

Conclusions from researches carried out in Holland point more and more to the view that
the cause does not lie with the vaccinial virus. All attempts on animals to produce an …

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