is toegevoegd aan uw favorieten.

Malaria in the Netherlands

Onderstaande tekst is niet 100% betrouwbaar

to show the intimate relation existing between the biological condition of the females and their rate of infection. In houses where infected anopheles were detected within that period of time we found:

/ Z, ,3 H 5 6 7 8 9 10 11 11

month 1 {

Fig. 17. Sporozoite-rate inversely related to the rate of pregnant females. Uninterrupted line: percentage of females carrying normal sporozoites. Broken line: idem, carrying mature, or nearly mature, ova. Dotted line: average half-monthly temperature at 8 a.m.

229 females in a state of ascertained sexual activity, i.e. with ripe or nearly ripe eggs; three were infected or 1.3 per cent;

590 females in a state of ascertained sexual inactivity, i.e. with a well-developed adipose body; 39 were infected or 6.6 per cent;

1,655 females whose biological condition could not be determined, since they were neither fat nor pregnant; 15 of them were infected or 0.9 per cent.