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1/ COVID (@UCSanDiego) Chronicles - July 26, 2020

Let's talk about #COVID19 contact tracing...almost 27k #COVID19 cases in @SanDiegoCounty, and county staff can NOT keep up. Despite hiring >200 contact tracers, just 10% of cases are now investigated within 24 hours!
2/ Contact tracing works great for sexually transmitted infections, but does not scale well for a pandemic caused by a respiratory disease spread by airborne droplets. So what should we do? Hire more contact tracers?

sandiegouniontribune.com/news/health/st…
3/ Recent models show that "minimizing contact tracing delays, for instance with app-based technology, further enhanced effectiveness, with the potential to prevent up to 80% of all transmissions."

4/ @Apple and @Google launched an API to support "exposure notification" apps over 2 months ago, but the decision to use this tech lies with each US state public health department. Note that apps using this API cannot be used for location tracking!

5/ It is time for public health leaders to endorse voluntary, state-wide, privacy-preserving, exposure notification apps to augment manual contact tracing efforts. European countries including Germany and Great Britain have all adopted this tech.

6/ Predictably, there are numerous "exposure notification" alternatives emerging that do not use the @Apple / @Google API - such as @NOVIDApp from @CarnegieMellon

cmu.edu/news/stories/a…
7/ As US public health departments defer decisions on state-wide privacy-preserving exposure notification apps, I predict major employers will begin endorsing alternative solutions, creating a fragmented environment that exacerbates #COVID19 disparities. ☹️

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Christopher A. Longhurst
@calonghurst
1/ COVID (@UCSanDiego) Chronicles - July 23, 2020

@UCSDHealth is now caring for 51 inpatients with #COVID19 including 21 on vents and 5 on ECMO. These individuals come from all over southern California, particularly @SanDiegoCounty and @ImperialCntyCA

2/ In a bit of bright news, with just 16 positive PCR results in the last 24 hours, the 7 day rolling average @UCSDHealth decreased to ~21 positive tests/day. This rate of ~2.3% is now the lowest across @UofCAHealth

3/ Unfortunately, @SanDiegoCounty hit two grim milestones yesterday with over 25k #COVID19 cases (+587) and over 500 deaths. San Diegans over 70 yo represent only 17% of the cases but 87% of the deaths, and nearly all had underlying medical conditions.

countynewscenter.com/county-covid-1…
Read 10 tweets
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Christopher A. Longhurst
@calonghurst
1/ COVID (@UCSanDiego) Chronicles - July 5, 2020

As we end this holiday weekend @UCSDHealth is caring for 47 inpatients with #COVID19. Overall @SanDiegoCounty bed capacity is fine with 382 total inpatients, though will be watching closely for an ↑ in based on recent data.
2/ The amazing @UCSDHealth #SARSCoV2 results team is monitoring >100 patients at home or in public health temporary housing. This is the highest # of people monitored in home isolation in a single day. It is also 10x higher than baseline monitoring responsibilities 6 weeks ago.
3/ #SARSCoV2 test results from July 4th, 2020 shows another record setting day with 562 new cases identified in @SanDiegoCounty and 5,410 new cases in California.
Read 9 tweets
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Christopher A. Longhurst
@calonghurst
1/ COVID (@UCSanDiego) Chronicles - May 27, 2020

A lot to share, starting with data: 35 inpatients @UCSDHealth w/ #COVID19, including a record 24 on vents (68%!) and 5 on ECMO. New admissions continue to be border-related from both @SanDiegoCounty and @ImperialCntyCA
2/ “It’s amazing how this disease has taught us that borders don’t exist” said Adolphe Edward, @ECRMC CEO, in this thoughtful @washingtonpost article (note @UCSDHealth tele-critical care specialist @VenkteshR in the reflection!)
washingtonpost.com/world/2020/05/…
4/ "@DHSgov senior medical officer @PMHTrauma_ALE told medical professionals in Southern California this month that they should be prepared for U.S. citizens or permanent residents to continue to cross the border, including for medical treatment." washingtonpost.com/world/2020/05/…
Read 9 tweets

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