Quote (Black XistenZ @ Feb 14 2021 11:40am)
The AstraZeneca vaccine is crap anyway - too little efficacy to provide herd immunity against the more contagious variants even under ideal circumstances, a notable dropoff in efficacy among the most important group of patients (the elderly), and particularly ineffective against variants like the South African or Brazilian ones.
The UK inoculating its population with this particular vaccine will help them, but it will not be enough for them to return to the pre-pandemic normal.
Theoretically, once all risk groups have gotten the jab with a 95% efficacy vaccine, society could open up a lot and put up with far higher infection numbers without risking an overburdening of the healthcare system - but with a 70% vaccine, you cant do that.
Patients over the age of 65 were underrepresented in the AZ trials so there was a lack of evidence either way, which is different to a ‘drop off in efficacy’. Research done since points to immunity building up in older age groups to the same extent as younger ones
It doesn’t provide great immunity against SA and Brazil variants but scientists are extremely confident that it reduces the severity of symptoms to little more than a sniffle
You also have to take into account that everyone is probably going to have to vaccinate their populations a second time in the autumn/winter with modified vaccines to deal with those variants. The AZ vaccine allows for a speedy rollout due to the temperatures it can be stored in so works well if your strategy is to get hospitalisations and deaths down significantly as opposed to a ‘zero COVID’ strategy
This post was edited by dro94 on Feb 14 2021 08:40am