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One of the things I thought was interesting in this article by Anthony Costello was the suggestion that symptom tracking would be sufficient within a test and track program rather then requiring the test kits that we don't seem able to have. I would have thought that would depend on the...

A member who wishes to remain anonymous made a complaint to the advertising standards agency (ASA) about the Gupta 10 day Corona virus challenge. The ASA have responded to say that there is a previous ruling against the owner or originator of the video and the video seems to fall within the...

I think one of the reasons for the battery being fixed is that it is no longer just a replacable battery but small batteries are spread over the device in order to keep the size down. If there is free space in any area then it can be filled with battery bits.

That didn't really make sense to me. I think Bluetooth chips have a unique Id which is associated with the manufacturer and then unique for the device from that. But to use these for contact tracing you would need to be reporting these back to a central service. Then associating them with user...

This is the type of thing they need to be doing but if they don't couple it with a wider test program it may be pointless. How can they identify coronavirus carriers if they are doing such limited testing. On the privacy aspect I did see a cryptographer comment recently about using privacy...

Staff in Oncology or Haematology are the ones who often use protective stuff as they have immune compromised patients. If Covid got into the Haematology ward I would have thought it could be disastrous.

I think there should be a long term study taking a few thousand people and following them up at regular intervals. Something like doing the DPQ or the questions that the UK Biobank use as a measure of fatigue/PEM/Other ME type symptoms Along with questions about other health issues would...

I would have thought if 90% of tests are coming back positive then this doesn't give much info as you are testing those you have a strong belief are ill. We need to be testing those who are in contact with people who are ill to avoid further transmission. If tests are limited shouldn't we test...

I read somewhere that the Chinese were doing multiple tests on people. I don't know if test failures are independent?

Yes its about telling people it reduces risk rather than removes it.

Discussions on twitter

The other side of mask wearing could be peoples perception of risk. If people feel safe in a mask then they may not keep a safe distance away. I noticed this when shopping last week in that some of those wearing masks failed to keep their distance.

I thought even quite a poor mask would reduce the chance of getting it. Even if it only reduces it by say 10% that still helps flatten the infection curve and reduce R0. Coupled with the stopping the wearer spreading an infection this could lead to a noticeable reduction in R0.

It always seemed naive to think that someone could just come in and manufacture thousands of ventilators. Even with a design already done or being adapted it will take a while to get a production line up and running and to get quality up. The next issue seems to be a lack of oxygen.

I think this tweet is relevant as well. It puts numbers to different approaches

I think it is the test and trace that really stopped the spread in China. Lipkin talked about shutting down areas (lockdown) as reducing the R0 to 1.4 in China and the test, trace and isolate as reducing it to 0.8. I think there is a suggestion that masks can help reduce spread (even if they...

Not really cov-19 related but hackers are trying to take advantage with various malware attacks. So be careful online. https://thehackernews.com/2020/03/covid-19-coronavirus-hacker-malware.html

Here is what looks like it might be a good article on why we should wear masks. (Not read it)

Is she the same person who was saying we don't need to follow the WHO advice because we have an advanced public health care system? Saying "the clue for the who is in its title it is a world health organization and it is addressing all countries across the world with entirely different health...

There is a problem with the shortage of masks. But government called for companies to design and start making ventilators. They could have done the same for masks (and goggles). That may have been an easier thing to get into production early.