@jackiecassell @SusanMichie there are some really difficult scenarios, eg ppl with mental health/disability/educational needs
/behavioural problems in homes. Unable to do masks or distancing. Ghastly/distressing for them and those who love them…
@jackiecassell @SusanMichie Maybe teachers, if we prioritise keeping schools open over control.

But,to get control of disease ASAP w vaccine, simple age criterion makes sense as main focus.
@jackiecassell @SusanMichie I am surprised we don't yet know enough about antibody levels and immunity… I'd be surprised if data didn't support "while your neutralising Abs are >x, you're almost certainly immune" and enough knowledge of speed of decline to say "you're safe for at least n months".

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More from @petermbenglish

15 Nov
I despair. Look at nhs.uk/conditions/cor…

"You may want to tell people you've been in close contact with in the past 48 hours that you might have coronavirus."

You absolutely MUST do so, immediately…
1/
"[Your contacts] do not need to self-isolate unless they're contacted by the NHS Test and Trace service".

Which will only happen after they've infected most of the people they could've; and too late to have much effect.
2/
We will never get on top of this pandemic like this. To work, TTIS (test, trace, isolate, support) will never work unless contacts isolate immediately.
3/
Read 8 tweets
9 Nov
"Covid vaccine: First 'milestone' vaccine offers 90% protection"
bbc.co.uk/news/health-54…

JamesTGallagher
This is good news. Some thoughts about Covid-19 vaccinations and mRNA vaccines in particular.
2/11
The R0 for Covid-19 is about 2.5.

If it were 3 you'd have to get 2 out of every three people who would otherwise have caught it immune, so they don't catch it and pass it on. If it's less, you have to get fewer people immune in order to achieve population (herd) immunity .
3/11
Read 13 tweets
7 Nov
Oh dear, this government clearly does not care about Covid-19 transmission.Transmission. If it did, it would get its comms right.
m.facebook.com/story.php?stor…
1/4
"You should self-isolate if you have a positive test or if you have been contacted by "NHS" test and trace."
2/4
People are infectious soon after being infected, before developing symptoms. By the time most people will have the symptoms for ~24 hours before it clicks that they have symptoms, another 24-48 hours before they have a test, another 24-48 hours before they get the result…
3/4
Read 4 tweets
1 Nov
It is really important that people understand their part in TTIS (test, trace, isolate and support)…
Have you or someone you live with had a cough or other symptoms and been tested for Covid-19?
Was it made clear that all of you - all the people you live with - should stay at home and avoid contact with others from ASAP after the symptoms started, for…
Read 11 tweets
29 Oct
Where can I find definitions of "sterilising vaccine" and "neutralising vaccine"?
2/
Nobody has replied, and I can't remember what I was reading that prompted the question. So I'll say what I think the answer is!

At least for "sterilising vaccine" (or, if you use US spelling, "sterilizing vaccine".
3/
A sterilising vaccine is one which provides sterilising immunity.

"Sterilizing immunity means that the immune system is able to stop a pathogen, including viruses, from replicating within your body." thehill.com/changing-ameri…
Read 21 tweets
22 Sep
Following on my marathon thread on testing ( threadreaderapp.com/thread/1308088… ), some thoughts on the app, which is due to be launched this week.
1/9
Most people with Covid-19 will never be identified.

Most never have symptoms. Few will be tested, and the test misses 70% of sick people, and even more of those without symptoms.
2/9
Which means, the app will only ever identify a fraction of people with Covid-19.

So not having been alerted that you've been in contact with somebody who might be infectious won't mean you haven't been.

So…
3/9
Read 11 tweets

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