Annual Report of the Bureau of Health for the Philippine ...
Health, Philippines Bureau Of![Annual Report of the Bureau of Health for the Philippine Islands](https://support.digitalhusky.com/media/annotations/sorted/252/25261911/CHSBZCOP0325261911.jpg)
Excerpt from Annual Report of the Bureau of Health for the Philippine Islands: Period From September 1, 1904 to August 31, 1905The vaccine virus furnished by the serum institute has been, in the main, good but great difficulty was experienced in preserving it when sent to the provinces. It was found necessary to construct special ice boxes, in which the vaccine virus was placed, in a small, opaque receptacle. The boxes are locked, and shipped ...