The common cold is a blanket term for infections caused by thousands of different viruses and some bacteria. You'd have to be vaccinated against each one to be vaccinated against the common cold. There already is a flu vaccine, although it's actually just an educated guess on what next year's flu strain will look like. Typical efficacy is around 50%. There are different types of SARS COV-2 vaccines. The mRNA version looks like it does work as intended, but for how long and with which side effects is still a big unknown. I'm going to skip it, personally. Fucking around with the immune system in that way is dangerous.
WHO reports average annual flu vaccine efficacy at 40%. But, the way they get there is bullshit. The efficacy is based on patients who present with respiratory infections, had previously recieved flu vax, and dont test positive for flu. If WHO were honest then it would report the vaccine does NOT work greater than 60% of the time. That number could be 70%, 80% , 90%, they dont know.
Don't really care how well it works with third world ooga boogas. The number I cited is what the manufacturer trials report in a typical year.
The number I cited is what the WHO reports for the United States based on its own flawed statistical sampling at using ONE hospital with a population of only hospitalized patients with respiratory infection. By the WHOs own data the flu vax does NOT work AT LEAST 60 percent of the time. The sampling method was set up to intentionally mislead you into thinking it works 40 or 50%.
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