Shefali O'Hara
2 min readDec 27, 2021

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No, it's not. You are assuming I am saying something different from what I actually said. When you want to refute a logical argument you have to go with what is actually being stated, not make assumptions. Do you understand?

I never said vaccines are guaranteed to be 100% effective. Don't put words in my mouth. What I said was that the vaccine will not prevent you from getting COVID. This is true.

Re. other vaccines - the measles vaccine, as an example, is 97% effective with two doses.

With Covid, however, a naval ship, the Milwaukee, with all crew members vaccinated, had a COVID outbreak. Gibraltar with close to 100% vaccination is seeing a spike in COVID. The numbers indicate that it was way more than 3% of vaccinated people getting sick.

There is an explanation for this if you are interested in the science. Some diseases, such as the common cold, use a simple mechanism of infection. Others, such as smallpox, have a complex one. Because the flu has a simple mechanism, flu vaccines confer limited immunity and so at risk people take one each year. However, someone who got a smallpox vaccine was fully immune for 5 years, with some immunity present for decades. This is the reason smallpox was basically eradicated, while the flu (and COVID) will not be.

Second, I never said that an infectious disease is not infectious. I never said that unvaccinated people can't get COVID, or that they should not quarantine if they get it. In fact, since I mentioned that the danger of asymptomatic infections is that people may not quarantine when they should - I think it's pretty clear from the context that I think people should self-quarantine if they suspect they have COVID.

Again, based on the actual data - the unvaccinated are at greater risk of dying if they get COVID, but they are NOT at greater risk of spreading the disease, at least according to the studies I've read. Again, if you have a link to a study that proves something different, please share. As you may notice, I actually shared links to data. I would take you more seriously if you could do the same.

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Shefali O'Hara
Shefali O'Hara

Written by Shefali O'Hara

Cancer survivor, Christian, writer, engineer. BSEE from MIT, MSEE, and MA in history. Love nature, animals, books, art, and interesting discussions.

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