AstraZeneca currently thought to cut transmission by 50%

[salmonskinjerky]

I can't link to the article because its part of a Guardian liveblog, so I'll paste it here;

Vaccines do not completely stop transmission, JCVI member says
Covid-19 vaccines do not completely prevent transmission, Prof Anthony Harnden, deputy chair of the Joint Committee on Vaccination and Immunisation (JCVI) has said.

He told BBC Breakfast on Sunday that while they appear to reduce transmission by about 50%, vaccinated people can still get the virus and spread it to others.

He added:

There’s some good evidence now from Public Health England and from the Oxford/AstraZeneca trials that the vaccines do prevent transmission.But they don’t completely prevent transmission. The figures are still being calculated but it’s in the order of 50%.

So, there will be some reduction in transmission, no doubt at all, but it’s still possible, even though you’ve been vaccinated, to get infected, have no symptoms and transmit it to others. That’s why it’s important that all those who get vaccinated still stick to the rules.

Also the recent scientific advice seems to be that outdoors is barely any risk . So I've been seeing my folks outside and we don't worry too much about SD (they're now my bubble). When they've had second dose, and my first has had time to kick in, we'll move inside. I always do LF test for me and DD before going as back up as well. There comes a point where you just have to accept a level of risk and live .

@bumbleymummy

So the idea of ‘vaccine passports’ as a means to prove that you’re not a risk to others is a bit silly then.

If the vaccine passports are being used to ensure that only vaccinated people congregate then I think they are quite sensible.