COVID19 update, May 31, 2020: which patients benefit most from Remdesivir; asymptomatic infection rate; the post-lockdown economy; miscellaneous updates

(1) Dr. Seheult discusses remdesivir for different categories of patients, and suggests that the drug is most beneficial (in terms of quicker recovery) for patients sick enough to require oxygen, but not so sick as to require mechanical ventilation or ECMOs (“heart-lung machines”). In this latter group, the virus has already done so much damage that remdesivir amounts to “closing the barn door after the horses have fled”, while mild cases will resolve on their own.

The conventional division of patients is (averaged across age groups):

  • 80% self-limiting, self-resolving disease
  • 15% get more severely ill
  • 5% critically ill

So it would be the 15% where the drug can make most of the difference, probably by keeping patients from moving into the 5% critical group. 

(2) Dr. John Campbell’s video looks at the asymptomatic infection rate, which he frustratingly places “between 5% and 80%”, and briefly highlights different studies that arrive at wildly different rates. My working assumption all along has been “about 50%”. 

(3) The Economist has a somewhat pessimistic take on the post-lockdown economy. Note that at least some of the economic effects of the pandemic are also felt in countries that never locked down, like Sweden.

Relatedly, Die Welt (in German) looks at how in reopened Germany, spending habits have changed to the extent that some retailers say they don’t see the point of reopening. The main shopping streets have seen foot traffic dwindle by 30 to 75% (Berlin’s famous Kurfürstendamm was hardest hit). Stores with an online presence, who kept in touch with customers during the crisis, have weathered the storm better, while some with a primarily online business model have seen revenue rise (including a new online grocery shopping chain).

(3) Miscellaneous updates:

Moderna’s COVID-19 vaccines now moves into Phase 2 clinical trials, reports the Jerusalem Post, who also note that the chief scientific officer of Moderna is an expat Israeli. (Like in information technology, tiny Israel punches well above its weight in biotech.)

Forbes highlights what it calls the most important COVID-19 statistic: 42% of US deaths occur in a group that is just 0.6% pf the US population, namely care home residents.

Oddly enough: Monkeys steal COVID-19 testing samples in India. 

Tangentially related, the Daily Telegraph looks at what awaits Hong Kong under full ChiCom rule. The UK has offered asylum to Hong Kongers who still hold BNO (British National Overseas) passports. (This unusual type of passport does not come with automatic “right of abode” in the UK.)

One thought on “COVID19 update, May 31, 2020: which patients benefit most from Remdesivir; asymptomatic infection rate; the post-lockdown economy; miscellaneous updates

  1. In the absence of data giving confident estimates of asymptomatic cases and serological data on people infected but already recovered, its notable how shutdowns have been the policy of choice for governments at all levels.

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