Coronavirus 2019-2020 thread (no unsubstantiated rumours!)

taxiya

Brigadier
Registered Member
It's 79% effective right off the bat. After 6 months it should fall to below 50%.
delta variant was not from bat, it mutated among human in India in March 2021. India never had Pfizer vaccine. It began to dominate US (Pfizer) in June 2021 only 4 months ago. Where and when does that 79% efficacy come from?

1633900337211.png
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statistic from Israel which is primarily Pfizer. It's daily case number is even worse than when they have not reached high vaccination rate. It seems to be zero rather than anything close to 50% after 6 months.
1633900668935.png
 

taxiya

Brigadier
Registered Member
Faster than Pfizer. About 3 months to 6 months, compared to 6 months to 1 year.
You are saying that Pfizer's efficacy wane in 6 months to 1 year.

Here is the Israeli daily case from May 2020. The 2nd peak in the middle is January 2021.
1633901057753.png
Here is their vaccination rate from January 2021 when their 2 doses vaccination is 0%, 1 does 18%.

1633901159087.png

Israel's vaccination (Pfizer) rate stayed almost unchanged since April, that is 6 months. Yet, their daily case number today is worse than when they had almost no vaccination in January. More importantly, their daily case raised fast since beginning of July, that is ONLY 3 months from now.

Two alternative explanations can be made:
  • Either Pfizer vaccine is useless against Delta from the very start, April for all countries except India.
  • Or Pfizer's waning is faster than 3 months and very steep to the point of totally useless.
 

getready

Senior Member
It's 79% effective right off the bat. After 6 months it should fall to below 50%.
OK that makes more sense. But according to Israel studies it drops to 16% after few months so that that initial 79% figure is misleading. Pfizer efficacy is not all that great overall against delta infection.

It might be for prevention of hospitalization and death from delta but so are other vaccines
 

getready

Senior Member
delta variant was not from bat, it mutated among human in India in March 2021. India never had Pfizer vaccine. It began to dominate US (Pfizer) in June 2021 only 4 months ago. Where and when does that 79% efficacy come from?

View attachment 78059
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statistic from Israel which is primarily Pfizer. It's daily case number is even worse than when they have not reached high vaccination rate. It seems to be zero rather than anything close to 50% after 6 months.
View attachment 78060
I think he means right off the bat as in the American expression. Which means From the start.
 

taxiya

Brigadier
Registered Member
I think he means right of the bat as in the American expression. From the start.
That expression is very confusing even if the receiver is American, because we are talking about a virus originated from bat. :) I would appreciate people not using slang, but formal English to avoid misunderstanding.

However, the waning from 79% to 50% is still inconsistent to the reality as Israel and USA have demonstrated. I have shown israel's data, here is US.

The vaccination in US picked up from middle of April and increased slowly. Delta began to replace other variants in US since April and became 80% in July 12. From that day daily case raised. By this time majority of people received their vaccination just 2 to 5 months (April or February).

Pfizer only statistically performs better in US than in Israel by a small margin, but the trend is the same that Pfizer vaccine is not effective against Delta and wanes faster than 6 months or less to the point much lower than 50%.

Vaccination
1633902515189.png

Daily case:
1633902764268.png
 
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SteelBird

Colonel
This Tom guy is giving me the same vibe as previously banned anti-vax accounts. Can we please check it’s not another alt?
I was quite annoyed by this guy; however, I tried to control myself not to call for warning or banning of him due to the rules. He flooded this very informative thread by consecutive single link posts. Further, you can see him a anti-vax guy via his reply to my post. I simply ignore his posts/replies.
 

Heliox

Junior Member
Registered Member
Singapore, copying India by flattening the wrong curve.

View attachment 78092

After nearly 2 years of pursuing a zero-covid policy, the Singapore govt has decided to say f-it and move on to an official "endemic" stance.

The toll of a zero covid policy on the economy, national reserves (decades of budget surplus) and the mental well being of the population is immense.

To give a bit of perspective on the well being aspect ...

Singapore is 50km by 25km (approx.). At 730 km2, Singapore easily fits within the 6th ring road of Beijing with space to spare. We have no hinterland, no mountain retreats, no secluded national parks. It's as urban as you can get ... Even Hong Kong, with the NT, has more breathing space than we do.

Everyone in this forum has experienced lock-downs. But what then when you are out of lock downs? You have pretty much free movement within your country correct? It may only be domestic travel but it's still travel.

Imagine instead, for the past year or two, you lived were trapped in an area somewhere within the 5th/6th ring road of Beijing. Sure, Covid is under control but where can you go? You want to go anywhere outside the 6th ring road? Sure, 2 weeks quarantine at destination and 2 weeks quarantine on return ... all for a weekend away? Nobody has that time to spare. So you stay within the 6th ring road Singapore

Meantime, I have watched international friends from China, EU, US ... almost any other country really, take "holidays" domestically and I cannot tell you how depressing it is to view their social media post while staring at my limited options of which hotels to book for a "staycation", all within 30mins drive of my home. :rolleyes:

Nah. Bugger this all for a lark. We've shown we can pretty keep this Covid thing under control if we want to BUT I don't think we can afford to and we most certainly don't want to anymore. Not when we see the rest of the world is pretty much moving to the same "sod it" attitude and letting life go on.

Bottom line. 162 deaths out of 127k cases to date = Mortality rate of less than 1%

I think we're doing fine.
 
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