{"id":632,"date":"2020-03-15T06:37:56","date_gmt":"2020-03-15T06:37:56","guid":{"rendered":"http:\/\/zanavu.com\/blog\/?p=632"},"modified":"2020-03-15T06:37:56","modified_gmt":"2020-03-15T06:37:56","slug":"considerations-for-a-coronavirus-testing-website","status":"publish","type":"post","link":"https:\/\/zanavu.com\/notes\/2020\/03\/15\/considerations-for-a-coronavirus-testing-website\/","title":{"rendered":"Considerations for a Coronavirus Testing Website"},"content":{"rendered":"\n<p>On March 13th, during the White House Rose Garden address, President Trump informed us that there is a Coronavirus testing site under development. He mentioned that Google is developing such a site. It felt like a good choice. Google has US and Worldwide presence with millions of consumers (aka citizens) on its accounts (thanks to gmail and Android distributions). Definitely they can quickly whip up a few Kubernetes clusters with python and deploy to Google Cloud Platform. <\/p>\n\n\n\n<p>It was possible for such a site will be up and running by midnight of March 13th. It did not happen! I wondered why. There are <a href=\"https:\/\/www.nytimes.com\/2020\/03\/14\/us\/politics\/trump-google-coronavirus.html\">additional issues written about in New York Times.<\/a>\u00a0<\/p>\n\n\n\n<p>Note that there are some <a href=\"https:\/\/www.cdc.gov\/coronavirus\/2019-ncov\/if-you-are-sick\/steps-when-sick.html\">helpful tips from CDC<\/a> if someone is sick. The big challenge is how to get tested across the United States. There are security, scale, integration, and routing challenges. 15 years back I was fortunate to lead an effort with a talented set of engineers and business professionals <a href=\"https:\/\/news.microsoft.com\/2005\/09\/09\/katrina-relief-needs-inspire-broad-array-of-responses\/\">to build a donation site for helping people affected by Hurricane Katrina<\/a>. In 20 hours we built a donation site that collected nearly $13.5M in donations over the next 5 days. <\/p>\n\n\n\n<p>I spent some time considering  additional technical challenges and issues. Below is a quick summary of some inputs in identifying building blocks to get to the final solution.<\/p>\n\n\n\n<p><strong>Requirements<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Handle 300M+ users or at least 100M+ families\/groups<\/li><li>Handle concurrent registration of 1000+ users registered per second<\/li><li>P99 response time for key experiences under 5 seconds<\/li><li>High security and compliance for personal information&nbsp;<\/li><\/ul>\n\n\n\n<p><strong>Data Items to Consider<\/strong><\/p>\n\n\n\n<p>Semi-Static Data<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Symptoms and Assessment Scores<\/li><li>Sites offering Testing (mostly Drive throughs)<ul><li>Drive Throughs to be provided by Walmart, Target, CVS, Walgreens, et al.<\/li><li>Sites that local Public Health departments offer<\/li><li>Regular clinics and hospitals<\/li><\/ul><\/li><\/ul>\n\n\n\n<p>Dynamic Data<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Load at each test site (useful for routing)<\/li><li>Wait time at each test site (reduced wait time)<\/li><\/ul>\n\n\n\n<p>Per-User Data<\/p>\n\n\n\n<p>User data easily can be shared across 100s of data stores to reduce latency, increase availability, and performance.&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>User Information (contact information, age, any pre-history, travel-history)<\/li><li>User Location<\/li><li>Test Status<\/li><li>Test Result<\/li><li>Fraud checks<\/li><\/ul>\n\n\n\n<p><strong>Some key methods<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong><em>ScoreSymptoms<\/em><\/strong>( userLocation, symptoms)\u00a0 \/\/ can be stateless calculator\u00a0<\/li><li><strong><em>IsCoronavirusTestingRequired<\/em><\/strong>( userInfo, userLocation, symptoms)<\/li><li><strong><em>NearestSitesForTesting<\/em><\/strong>( userInfo, userLocation, isTestRequired) \u00a0 \/\/ return sites with rank order on proximity and low wait times<\/li><li><strong><em>ScheduleVisitForTest<\/em><\/strong>( userInfo, userLocation, testLocation) \/\/ gives a token for user to present at test site<\/li><li><strong><em>CheckinForTest<\/em><\/strong>( userInfo, scheduleToken, testLocation) \/\/ get a testingToken for tracking purposes<\/li><li><strong><em>PostResultsForTest<\/em><\/strong>( userInfo, testingToken, testLocation, testResults)<\/li><li><strong><em>viewTestStatus<\/em><\/strong>( userInfo) \/\/ will provide status and when available the results as well<\/li><\/ul>\n\n\n\n<p><strong>Actors<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Citizen &#8211; end-user \/ family<\/li><li>TestSiteAdmin &#8211; dedicated admin per site (most likely a group with rotation of people)<\/li><li>TestSiteOwners &#8211; companies \/ individuals who offer the TestSites (ex: Walgreens for offering its drive-through locations)<\/li><li>TestProvider &#8211; who runs the tests and provides results (ex: Government Labs, LabCorp, Quest Diagnostics)<\/li><\/ul>\n\n\n\n<p><strong>Modules<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Website<\/strong> &#8211; front-end experience for each actors (role based control or dedicated website for each party)<\/li><li><strong>Accounts<\/strong> &#8211; handles identity, logins, userInfo, anti-fraud, etc.<\/li><li><strong>SymptomManager<\/strong> &#8211; helps with scoring symptoms for test requirement<\/li><li><strong>SiteManager<\/strong> &#8211; enables TsetSiteAdmin and TestSiteOwners to manage their sites<\/li><li><strong>TestProvider<\/strong> &#8211; manages test collection, routing, testing, and reporting results<\/li><li><strong>StatusManager<\/strong> &#8211; per-user, per-site, and per-provider status management<\/li><li><strong>Administration<\/strong> &#8211; security and compliance management, Reports, Configurations, etc.<\/li><li><strong>TrafficManager<\/strong> &#8211; marketing function to ensure that this site is discoverable and linked to from all sources.<\/li><li><strong>DataStores<\/strong> &#8211; sharded and scalable data store for transactional and bulk reporting purposes.<\/li><\/ul>\n\n\n\n<p><strong>Additional APIs\/Resource to Consider<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Google Maps<\/li><li>API management service (apigee, \u2026)<\/li><li>OpenTable style reservation system for Testing Sites<\/li><li>Sharded \/ Scalable User Authentication (reuse existing infrastructure at Google, Amazon, Facebook, Okta ?)<\/li><li>Sharded \/ Scalable User Data Store (userInfo, userLocation, profile<\/li><li>Edge Security\u00a0<\/li><\/ul>\n\n\n\n<p>Definitely there are a LOT of items pending to be discovered and built out. This is a good start and something that we can iterate from.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>On March 13th, during the White House Rose Garden address, President Trump informed us that there is a Coronavirus testing site under development. He mentioned that Google is developing such a site. It felt like a good choice. Google has US and Worldwide presence with millions of consumers (aka citizens) on its accounts (thanks to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":633,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[53,28,18,12],"tags":[29],"class_list":["post-632","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-education","category-health","category-startups","category-technology","tag-health"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Considerations for a Coronavirus Testing Website - Bright Possibilities<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zanavu.com\/notes\/2020\/03\/15\/considerations-for-a-coronavirus-testing-website\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Considerations for a Coronavirus Testing Website - Bright Possibilities\" \/>\n<meta property=\"og:description\" content=\"On March 13th, during the White House Rose Garden address, President Trump informed us that there is a Coronavirus testing site under development. 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