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Originally posted by mdiinican
Food and water are much heavier, bulkier, and prone to spoilage. That, and disease kills quite a bit more than starvation does. Vaccination is proven extremely effective, though never 100%. There's no other defense against many viral infections aside from good hygiene and sterile food and water. The latter three are very hard to come by in emergency situations, though.
Only recently have portable filters suitable for emergency situations been developed. Even then, they're typically activated carbon models with rather large pore sizes, which will still leave users susceptible to water-borne viruses. Bringing huge quantities of fresh water is simply out of the question most of the time. Remember: it weighs a metric ton per cubic meter.
food is usually a secondary concern in such situations. People can last a fair amount of time without food, so it's usually not the first priority. It's important to get people immune to common diseases early, because disasters usually leave places as breeding grounds for all kinds of nasty diseases, what with dead bodies all over and such.
Herd immunity is very important. There will always be individuals who, for various medical reasons, cannot be vaccinated. And a few who, for other reasons, won't be. As long as their numbers are few enough, they stand a very low chance of getting the disease, by simple virtue of never running into anyone who has it. The medically unvaccinatable is usually the very young, and people with other medical issues. The medical community generally urges those who have no medically significant reason to not be vaccinated to get vaccinated for these people's protection.
Vaccines range greatly in effectiveness, generally from about 85% effective up to over 99%. In some live attenuated vaccines, people stand a small risk of catching the actual disease, or a weakened form, from the vaccine itself. Live attenuated vaccines are pretty rare, but are generally quite effective.
I'd certainly recommend it for all childhood illnesses. most causes of infant mortality are easily prevented by such measures.
Generally it's worth it, for most diseases. The flu is kind of iffy. I suspect many employers require it simply to keep from having to issue sick days. I was rather annoyed that my employer had all new hires vaccinated for the flu right on site. They just lined us all up for the needles. I'm sure I probably signed something for it at some point, but I certainly didn't remember.
I really have to doubt any sinister purpose in this case, though; they just have me working in a warehouse, delivering food. Ain't some tracking chip, or they'd know how much I slack off.
Originally posted by Stockburn
When "they" illegally jump our border fences or come over on a boat illegally, or just make it "here" some how, "we" don't want "them" infecting "us".