5 ms·

Me either, but I've always wondered: 3) What danger do un-vaccinated children pose to vaccinated ones?

noir_lord 8y ago
They don't, un-vaccinated children pose a danger to children who can't be vaccinated for medical reasons. It's herd immunity but it only works if the vaccination rate is sufficiently high.
tehlike 8y ago
The problem is some people with weak immune system cannot be vaccinated. So it's also for protection of these people.
SamBam 8y ago
The generally pose the most danger to those either too young to be vaccinated, or who can't be vaccinated due to legitimate medical concerns. This is not uncommon, and such children rely on the herd immunity of their peers. Further, as few vaccines are 100% effective, the herd immunity also limits the exposure of viruses to those for whom the vaccine was ineffective.
- RandomTisk 8y ago
  Makes sense, thanks.
deleted 8y ago
[deleted]
josephv 8y ago
Vaccination doesn't 100% guarantee immunity, so there is always a % that isn't immune. Each disease requires a different % immunity to prevent a wide-spread outbreak, i.e. to provide herd immunity. For particularly aggressive diseases it requires 95ish% immunity to avoid an outbreak. So with anti-vaxxers increasing from roughly .5% to 1.5% over the last 10 years or so, that introduces a significant increase in the requirement of vaccination effectiveness, to the point where you wonder are we close to herd immunity breaking down. In places with significant anti-vax sentiments, such as ultra-orthodox religious practices you will get those larger outbreaks of things like measles. In general I think research indicates in the general populous anti-vaxxer populations are still small and disparate enough as to not impact herd immunity, but the trend has been upward due to the anti-vax trend over the last decade. [source] am married to an M.D. that specialized in microbiology, recently listened to a good NPR bit about it that dropped the statistics, and I stayed at a holiday inn express last night.
WA 8y ago
Who the fuck is downvoting the siblings here for no apparent reason? All of them are entirely correct. Have the anti-vaxxers invaded HN?
- dang 8y ago
  This comment breaks the site guidelines. Please review and follow them here. https://news.ycombinator.com/newsguidelines.html https://news.ycombinator.com/newsguidelines.html

They don't, un-vaccinated children pose a danger to children who can't be vaccinated for medical reasons. It's herd immunity but it only works if the vaccination rate is sufficiently high.

tehlike 8y ago

The problem is some people with weak immune system cannot be vaccinated. So it's also for protection of these people.

SamBam 8y ago

The generally pose the most danger to those either too young to be vaccinated, or who can't be vaccinated due to legitimate medical concerns. This is not uncommon, and such children rely on the herd immunity of their peers. Further, as few vaccines are 100% effective, the herd immunity also limits the exposure of viruses to those for whom the vaccine was ineffective.

RandomTisk 8y ago
Makes sense, thanks.

deleted 8y ago

[deleted]

josephv 8y ago

Vaccination doesn't 100% guarantee immunity, so there is always a % that isn't immune. Each disease requires a different % immunity to prevent a wide-spread outbreak, i.e. to provide herd immunity. For particularly aggressive diseases it requires 95ish% immunity to avoid an outbreak. So with anti-vaxxers increasing from roughly .5% to 1.5% over the last 10 years or so, that introduces a significant increase in the requirement of vaccination effectiveness, to the point where you wonder are we close to herd immunity breaking down. In places with significant anti-vax sentiments, such as ultra-orthodox religious practices you will get those larger outbreaks of things like measles. In general I think research indicates in the general populous anti-vaxxer populations are still small and disparate enough as to not impact herd immunity, but the trend has been upward due to the anti-vax trend over the last decade. [source] am married to an M.D. that specialized in microbiology, recently listened to a good NPR bit about it that dropped the statistics, and I stayed at a holiday inn express last night.

WA 8y ago

Who the fuck is downvoting the siblings here for no apparent reason? All of them are entirely correct. Have the anti-vaxxers invaded HN?

dang 8y ago
This comment breaks the site guidelines. Please review and follow them here. https://news.ycombinator.com/newsguidelines.html https://news.ycombinator.com/newsguidelines.html