A complete handbook for the sanitary troops of the U S army and navy . pecial and most importantpreventive measure againstsmallpox, viz., vaccination. Vaccination is the processof inoculating a person withvaccine virus, producing thecondition known as vaccinia. Vaccinia is an eruptive dis-ease of the cow, the virus ofwhich when inoculated inman produces a local pockwith constitutional disturb-ance, and protects againstsmallpox; vaccinia is proba-bly smallpox of the cow. butit has not been proven that ^°- ^*—^^^^ °^ mosquitoes: i and 2, male and ftmale Culcx pnngjens: 3 andsuch IS the case. *?
A complete handbook for the sanitary troops of the U S army and navy . pecial and most importantpreventive measure againstsmallpox, viz., vaccination. Vaccination is the processof inoculating a person withvaccine virus, producing thecondition known as vaccinia. Vaccinia is an eruptive dis-ease of the cow, the virus ofwhich when inoculated inman produces a local pockwith constitutional disturb-ance, and protects againstsmallpox; vaccinia is proba-bly smallpox of the cow. butit has not been proven that ^°- ^*—^^^^ °^ mosquitoes: i and 2, male and ftmale Culcx pnngjens: 3 andsuch IS the case. *? ia<^ a! tVmalc Anoplicloi: 5 and 6, male and female .ICdes Calopus. Bovine vaccine virus, that is virus from the calf, is now used tothe exclusion of human virus on account of the danger with thelatter of transmitting human diseases. Vaccine is usually provided either on bone points or in capillarytubes; in either case the virus is preserved by glycerin, but it gradu-ally loses its power and becomes inert; it should always be kept ina dark, cool, dry 362 HYGIENE. POST AND CAMP SAXITATIOX In performing vaccination it should be borne in mind that it is asurgical operation and that the same care must be taken to preventinfection as in any other operation. The hands of the operator,the surface operated upon, and everything coming in contact witheither should be as nearly sterile as possible; at the same time itmust be remembered that active antiseptics will destroy the vaccine. The skin at selected site must be clean; antiseptics are not nec-essarily employed; should they be used they must be washed awaywith sterile water that the activity of the virus be not with warm water, followed by alcohol, is usually sufficient,the alcohol being permitted to evaporate before proceeding. Scrub-bing with soap and water is necessary for a dirty skin, but needlessirritation of the skin is to be avoided. Incision is the method of choice and it should be made with
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