2019 Novel Coronavirus Covid-19 Discussion

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Mad Scientist
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#2618374 8-Dec-2020 21:42

pfizer vaccine in uk being given https://www.nzherald.co.nz/world/covid-19-coronavirus-uk-gives-first-doses-of-vaccine-as-world-watches/IPQBW4ULCKWB4DNRF3J4FRUYPU/

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#2618402 9-Dec-2020 05:04

Release 3.0 of the NZ COVID Tracer App is coming on the 10th December. I have posted the press release in the NZ COVID Tracer app for Android and iOS thread - please post any comment or question on that thread.

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#2618426 9-Dec-2020 07:50

Removed a reply that was political and mildly related to covid.

tdgeek

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#2618594 9-Dec-2020 12:04

So,

1. as per Paul's post, we dont know if a vaccinated person can potentially shed Covid if they were exposed to it after vaxxing?

2. If they are 95% effective, does that mean that the 5% will be older, existing conditions people? Or can they be any 5% that for some reason the vaccine just isnt very effective?

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#2619024 9-Dec-2020 22:51

tdgeek:

So,

1. as per Paul's post, we dont know if a vaccinated person can potentially shed Covid if they were exposed to it after vaxxing?

2. If they are 95% effective, does that mean that the 5% will be older, existing conditions people? Or can they be any 5% that for some reason the vaccine just isnt very effective?

Regardless of the answers to those questions about individuals, if a vaccine reduces the R value/spread in a community enough, then the person who would otherwise have infected them, won't be infected.

(ps not sure if this is mentioned earlier in the thread)

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#2619050 10-Dec-2020 06:54

NHS told not to give [Pfizer] Covid vaccine to those with history of allergic reactions

https://www.theguardian.com/world/2020/dec/09/pfizer-covid-vaccine-nhs-extreme-allergy-sufferers-regulators-reaction

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#2619051 10-Dec-2020 06:56

https://www.theguardian.com/world/2020/dec/09/singapore-cruise-to-nowhere-ends-after-passenger-tests-positive-for-covid-19

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#2619060 10-Dec-2020 07:43

Batman:
https://www.theguardian.com/world/2020/dec/09/singapore-cruise-to-nowhere-ends-after-passenger-tests-positive-for-covid-19

Another "crash-and-burn" test of cruise ships. I can't say I feel sorry for the cruise industry, but I'm not their target traveler.

Queen Mary 2 -- 20.5 miles per gallon per passenger

Airbus A380 --- 74 miles per gallon per passenger

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#2619075 10-Dec-2020 08:15

tdgeek:

So,

1. as per Paul's post, we dont know if a vaccinated person can potentially shed Covid if they were exposed to it after vaxxing?

2. If they are 95% effective, does that mean that the 5% will be older, existing conditions people? Or can they be any 5% that for some reason the vaccine just isnt very effective?

1) is not really that well known. We do know what some people don't (appear to at least) shed the virus once they have it, while others are super spreaders. The common belief across many of the vaccine candidates is that some people may still spread viral debris if they are exposed after they have been vaccinated. Some people are continuing to spread viral debris months after being infected even without a vaccine, such as in Melbourne weren't they're still seeing it in wastewater despite not having cases and nobody really knows why.

2) Vaccine efficacy is not the same as effectiveness. Their 95% efficacy figure means that in their randomomised study that 5% of people who had the vaccine contracted Covid. It is likely that those who get ill still could potentially be the older and those with weak immune systems, which is no different to those who catch influenza despite having had an influenza vaccine (which actually has a pretty poor real world level of effectiveness and can be around 50% depending on the year).

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#2619077 10-Dec-2020 08:26

sbiddle:

1) is not really that well known. We do know what some people don't (appear to at least) shed the virus once they have it, while others are super spreaders. The common belief across many of the vaccine candidates is that some people may still spread viral debris if they are exposed after they have been vaccinated. Some people are continuing to spread viral debris months after being infected even without a vaccine, such as in Melbourne weren't they're still seeing it in wastewater despite not having cases and nobody really knows why.

2) Vaccine efficacy is not the same as effectiveness. Their 95% efficacy figure means that in their randomomised study that 5% of people who had the vaccine contracted Covid. It is likely that those who get ill still could potentially be the older and those with weak immune systems, which is no different to those who catch influenza despite having had an influenza vaccine (which actually has a pretty poor real world level of effectiveness and can be around 50% depending on the year).

Thanks. It does seem that the vaccine is not a fix but just a tool. So the virus will still spread quite happily, but theoretically just have a 1/20th of the population to work with. Vaccine prior to travel is similarly a risk, again where we know that travel will spread it, but just among the "5%" I also read that the trials dont represnt real world demographics, and it excludes vaccinated but still got infected but was asymptomatic, they weren't tested and counted. Testing and counting was just those that developed symptoms. If those that are vaccinated but still catch it, perhaps the disease will be far less serious, which could be counted as a win.

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#2619107 10-Dec-2020 08:52

Batman:

NHS told not to give [Pfizer] Covid vaccine to those with history of allergic reactions

https://www.theguardian.com/world/2020/dec/09/pfizer-covid-vaccine-nhs-extreme-allergy-sufferers-regulators-reaction

Would that include asthma?

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#2619178 10-Dec-2020 09:27

kingdragonfly:
Batman:

https://www.theguardian.com/world/2020/dec/09/singapore-cruise-to-nowhere-ends-after-passenger-tests-positive-for-covid-19

Another "crash-and-burn" test of cruise ships. I can't say I feel sorry for the cruise industry, but I'm not their target traveler.

Queen Mary 2 -- 20.5 miles per gallon per passenger

Airbus A380 --- 74 miles per gallon per passenger

We don't usually watch live TV but on testing some recording feature on a new TV we watched some ads - including one for a cruise in 2022...

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#2619181 10-Dec-2020 09:30

SJB:

Would that include asthma?

Hope not. It refers to people that carry an EpiPen in article. I’ve never had an asthma attack from injection, it’s normally triggered from what is breathed in.

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#2619211 10-Dec-2020 10:02

"Covid-19 coronavirus: Wellington officially virus-free again"

Wellington is officially free of Covid-19 after the last remaining cases linked to the Defence Force cluster recovered on Tuesday.

Keep scanning those QR codes folks, and update the app for Bluetooth tracking now.

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#2619237 10-Dec-2020 10:35

SJB:
Batman:

NHS told not to give [Pfizer] Covid vaccine to those with history of allergic reactions

https://www.theguardian.com/world/2020/dec/09/pfizer-covid-vaccine-nhs-extreme-allergy-sufferers-regulators-reaction

Would that include asthma?

They mention this:

"adrenaline autoinjectors, suggesting they have suffered reactions in the past. These devices, of which the best-known brand is the EpiPen"

So maybe a good indicator?

I would suggest they are using an abundance of caution, and not worry about it too much.

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