I think that, in the face of an ongoing global health emergency and a pressing need to reopen safely, some form of health pass is a reasonable option to consider. But debate is a good thing, so here are some brief thoughts on various concerns I've heard about them... [thread]

"A health pass discriminates against people who have refused the vaccine." No. A health pass should also support proof of test result for people who haven't been vaccinated, and exemptions for people who cannot be vaccinated (get vaccinated if you can though, for heaven's sake).
"A health pass is an invasion of privacy." No. A health pass should be privacy preserving, allowing you to prove your status to third parties without giving away personal data or letting them track you without your permission.
"A health pass is unfair to people without smartphones." No. A health pass should accommodate people without a smartphone, e.g. with a printable option as a fall-back (though for most of us, carrying a digital pass on our phone will be much more convenient).
"A health pass will become obsolete as the virus mutates." No. A health pass should actually give us more insight and flexibility to adjust our response as our knowledge of the virus, and the ways we test / treat / vaccinate for it, increases.
"A health pass is an affront to liberty." No. Liberty is not an absolute; when individual freedom risks spreading a deadly infection it must be balanced against the right for others to live without undue fear for their or their family's health (exhibit A: masks).
"A health pass is an overreaction to the problem at hand". No. The cost of the pandemic — in lives lost, livelihoods ruined, educations foregone — is so astronomically high that tools that help us ease restrictions or end them sooner are hugely valuable.
"A health pass is a fad we'll regret wasting money on." No. The reality of the modern world is that we are likely to face more pandemic threats in the years ahead; building the infrastructure for a health pass now also insures us against the worst outcomes in future too.
"A health pass means a two-tier society". No. People might have a choice of apps, but a health pass should have inclusion at its core. Government needs to lead the way to ensure everyone can prove their status regardless of ability to pay or other concerns.
"A health pass is a recipe for more failed government IT." No. Plenty of work has been done already to prove the tech (I'm looking at you, Estonia). Governments might well screw it up if they start over — but that's a choice, not an inevitability.
"A health pass is pointless without mass testing / mass vaccination". No. Tests and vaccinations, in conjunction with a health pass, convert uncertainty into manageable risk — which is better than blanket lockdowns. The more we can test / vaccinate the better, but it all helps.
"A health pass would be a burden on businesses". No. A health pass should be as straightforward for businesses to handle as accepting a contactless payment (i.e. not very difficult). It should also free them from a lot of manual record keeping / compliance.
"A health pass is really about tracking our movements." No. A health pass can prove your status without recording your location or letting third-parties link your visits. Features to support contact tracing could be added to a health pass, but are not required.
"A health pass will only work domestically". No. Work is underway around the world to ensure health passes are interoperable for international travellers. In time the same app you use domestically should be recognised anywhere (similar to your Visa / Mastercard).
"A health pass is unprecedented". No. In many parts of the world people are required to carry proof of vaccination to be allowed entry — for example the International Certificate of Vaccination or Prophylaxis for Yellow Fever (which is, of course, a piece of paper).
"A health pass assumes vaccines are perfect." No. All current Covid-19 vaccines confer effective rather than sterilising immunity. A health pass helps calibrate risk as we learn more about the virus and how different variants respond to vaccines.
"A health pass is a slippery slope." No. We already provide a range of enabling proofs in our lives (e.g. proof of age). A foundational digital ID might be desirable for many reasons, but a health pass can be built without one and will not inevitably lead to one.
"A health pass will lead to a black market in fake tests / vaccines". No. Compared to paper systems, a health pass using public key infrastructure would make it much easier to revoke fraudulent credentials. We can't eliminate all bad actors, but we can make it harder for them.
"A health pass relies on data we don't currently record". No. It is true that data on tests and vaccinations is stored in a range of different systems, and there have been problems managing it in the past. But the required data does exist and can be collated properly.
"A health pass means the virus has won." No. The virus is biology, not ideology. The ability to reason, balance competing trade-offs and then pursue a clearly defined course of action to protect ourselves and future generations is what sets humanity apart.
I don't think introducing a health pass is trivial or risk-free. But I do think a lot of the concerns can be resolved with good design (or are really about vaccine scepticism). Of course it would be better not to need any of this — but that's not a luxury we have right now [ends]

More from Health

No-regret #hydrogen:
Charting early steps for H₂ infrastructure in Europe.

👉Summary of conclusions of a new study by @AgoraEW @AFRY_global @Ma_Deutsch @gnievchenko (1/17)
https://t.co/YA50FA57Em


The idea behind this study is that future hydrogen demand is highly uncertain and we don’t want to spend tens of billions of euros to repurpose a network which won’t be needed. For instance, hydrogen in ground transport is a hotly debated topic
https://t.co/RlnqDYVzpr (2/17)

Similar things can be said about heat. 40% of today’s industrial natural gas use in the EU goes to heat below 100°C and therefore is within range of electric heat pumps – whose performance factors far exceed 100%. (3/17)


Even for higher temperatures, a range of power-to-heat (PtH) options can be more energy-efficient than hydrogen and should be considered first. Available PtH technologies can cover all temperature levels needed in industrial production (e.g. electric arc furnace: 3500°C). (4/17)


In our view, hydrogen use for feedstock and chemical reactions is the only inescapable source of industrial hydrogen demand in Europe that does not lend itself to electrification. Examples include ammonia, steel, and petrochemical industries. (5/17)

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प्राचीन काल में गाधि नामक एक राजा थे।उनकी सत्यवती नाम की एक पुत्री थी।राजा गाधि ने अपनी पुत्री का विवाह महर्षि भृगु के पुत्र से करवा दिया।महर्षि भृगु इस विवाह से बहुत प्रसन्न हुए और उन्होने अपनी पुत्रवधु को आशीर्वाद देकर उसे कोई भी वर मांगने को कहा।


सत्यवती ने महर्षि भृगु से अपने तथा अपनी माता के लिए पुत्र का वरदान मांगा।ये जानकर महर्षि भृगु ने यज्ञ किया और तत्पश्चात सत्यवती और उसकी माता को अलग-अलग प्रकार के दो चरू (यज्ञ के लिए पकाया हुआ अन्न) दिए और कहा कि ऋतु स्नान के बाद तुम्हारी माता पुत्र की इच्छा लेकर पीपल का आलिंगन...

...करें और तुम भी पुत्र की इच्छा लेकर गूलर वृक्ष का आलिंगन करना। आलिंगन करने के बाद चरू का सेवन करना, इससे तुम दोनो को पुत्र प्राप्ति होगी।परंतु मां बेटी के चरू आपस में बदल जाते हैं और ये महर्षि भृगु अपनी दिव्य दृष्टि से देख लेते हैं।

भृगु ऋषि सत्यवती से कहते हैं,"पुत्री तुम्हारा और तुम्हारी माता ने एक दुसरे के चरू खा लिए हैं।इस कारण तुम्हारा पुत्र ब्राह्मण होते हुए भी क्षत्रिय सा आचरण करेगा और तुम्हारी माता का पुत्र क्षत्रिय होकर भी ब्राह्मण सा आचरण करेगा।"
इस पर सत्यवती ने भृगु ऋषि से बड़ी विनती की।


सत्यवती ने कहा,"मुझे आशीर्वाद दें कि मेरा पुत्र ब्राह्मण सा ही आचरण करे।"तब महर्षि ने उसे ये आशीर्वाद दे दिया कि उसका पुत्र ब्राह्मण सा ही आचरण करेगा किन्तु उसका पौत्र क्षत्रियों सा व्यवहार करेगा। सत्यवती का एक पुत्र हुआ जिसका नाम जम्दाग्नि था जो सप्त ऋषियों में से एक हैं।