{"meta":{"service":"ShortageSignal API v1","schema_version":"1.2","docs":"https://shortagesignal.co.uk/api","changelog":"https://shortagesignal.co.uk/api/changelog","source_note":"Re-expressed facts derived from published sources (DHSC notifications as relayed publicly; NHSBSA SSP register; NHS Scotland MSANs on a separate surface). Records carry source_url where the source publishes a document for that event; SSP register entries derived from the register itself have none.","license":"ShortageSignal's derived facts and statistics: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). NHSBSA and gov.uk material is reused under the Open Government Licence v3.0. CPE-derived items are re-expressed facts linking to the source post, never verbatim editorial.","attribution":"ShortageSignal (Doctor Data Ltd), https://shortagesignal.co.uk. Contains public sector information licensed under the Open Government Licence v3.0.","coverage_note":"England-first: DHSC Medicine Supply Notifications as relayed publicly by Community Pharmacy England (the record is a floor, not the complete set of posts; see /methodology), the NHSBSA Serious Shortage Protocol register, and NHS Scotland Medicine Supply Alert Notices on a separate surface that is never added to England counts. Sources are checked twice daily, not continuously. Absence of a record is never availability. Records recovered from the Internet Archive are labelled route 'internet_archive' and dated by the Archive's capture. as_of= returns only what had been captured by that date, so it is only as complete as capture was then; events whose recorded_at is only an upper bound (recorded_at_precision 'no_later_than': rows written before v1.1, whose write time was never stored) are left out of any as_of date before that bound.","disclaimer":"Not an official NHS or DHSC service. No clinical advice. Fuzzy source dates are preserved as stated.","generated_at":"2026-11-08T02:22:57.055Z","week":"2021-W17","freshness":"Sources are checked twice daily by scheduled jobs; digest.last_checked_at is the latest check. Not live.","dating":"Change events are filed by the date the source gives them, so a week can gain items when a source is captured late. Protocol end dates and expected-back windows are shown as the register and notices stood when last checked, not as they stood during that week, so a later extension or update can move one to another week or remove it."},"digest":{"week":"2021-W17","start":"2021-04-26","end":"2021-05-02","horizon_end":"2021-05-16","complete":true,"last_checked_at":"2026-10-20T20:54:38.356Z","total":6,"sections":[{"id":"new_notices","heading":"New notices","note":"Medicine Supply Notifications and National Patient Safety Alerts dated this week (England).","items":[{"key":"7c0ce2de97ded37e7a04021b86744075","date":"2021-04-29","title":"Medicine Supply Notification: Elleste Solo MX 40 and 80 transdermal patches","fact":"Medicine Supply Notification MSN/2021/024 issued 29 Apr 2021 (tier 2 of 4).","page":"https://shortagesignal.co.uk/notice/msn-2021-024","source":"https://cpe.org.uk/our-news/medicine-supply-notification-elleste-solo-mx-40-and-80-transdermal-patches"},{"key":"c0a2814437a488b69ed79bc15a5957a1","date":"2021-04-29","title":"Medicine Supply Notification: Estradot (estradiol hemihydrate) 75micrograms/24 hours patches","fact":"Medicine Supply Notification MSN/2021/023 issued 29 Apr 2021 (tier 2 of 4).","page":"https://shortagesignal.co.uk/notice/msn-2021-023","source":"https://cpe.org.uk/our-news/medicine-supply-notification-estradot-estradiol-hemihydrate-75micrograms-24-hours-patches"}]},{"id":"updated_notices","heading":"Updated notices","note":"Notifications whose source post records an update dated this week.","items":[]},{"id":"discontinuations","heading":"Discontinuations","note":"Discontinuations stated in a notice, dated by the notice or update that states them.","items":[{"key":"e1febc83c3303950bad40a276779351f","date":"2021-04-29","title":"Medicine Supply Notification: Elleste Solo MX 40 and 80 transdermal patches","fact":"Discontinuation notified in MSN/2021/024, dated 29 Apr 2021.","page":"https://shortagesignal.co.uk/notice/msn-2021-024","source":"https://cpe.org.uk/our-news/medicine-supply-notification-elleste-solo-mx-40-and-80-transdermal-patches"}]},{"id":"expected_back_windows","heading":"Expected-back windows ending this week","note":"Notices whose current stated expected-back window ends this week. The end is derived from the phrase: the stated day where the source gave one; six days after a stated week-commencing day; otherwise the 10th for \"early\", the 20th for \"mid\" and the last day of the month for \"late\" or a bare month (six days after it for a \"week commencing\" phrase with no readable day). The sources mostly give phrases like \"late July\", not days, so each item says which rule applied.","items":[{"key":"window:https://cpe.org.uk/our-news/medicine-supply-notification-trifluoperazine-1mg-5ml-syrup-advanz-pharma:2021-04-30","date":"2021-04-30","title":"Medicine Supply Notification: Trifluoperazine 1mg/5ml syrup (Advanz Pharma) - Update","fact":"Expected back \"April 2021\", as currently stated by the source. That stated window ends by 30 Apr 2021 (the last day of the stated month; the source gives no day). Reaching it is an observation about the record, not about stock at your wholesaler.","page":"https://cpe.org.uk/our-news/medicine-supply-notification-trifluoperazine-1mg-5ml-syrup-advanz-pharma","source":"https://cpe.org.uk/our-news/medicine-supply-notification-trifluoperazine-1mg-5ml-syrup-advanz-pharma","resupply_text":"April 2021"}]},{"id":"protocols_issued","heading":"Protocols issued, expired or revoked","note":"Serious Shortage Protocols (UK-wide) whose issue, expiry or revocation is dated this week.","items":[{"key":"7700bac010aaba58d6bc16d330528884","date":"2021-04-29","title":"SSP012 Estradot 75 microgram patches","fact":"Serious Shortage Protocol SSP012 issued, valid from 29 Apr 2021, first scheduled to end 04 Jun 2021.","page":"https://shortagesignal.co.uk/ssp/12","source":null}]},{"id":"protocols_extended","heading":"Protocols extended","note":"Extensions are dated by the scheduled end they replaced, as the NHSBSA register and announcements record them.","items":[]},{"id":"protocols_ending_this_week","heading":"Protocol end dates this week","note":"Protocols whose NHSBSA register end date falls this week, per the register as last checked.","items":[]},{"id":"protocols_ending_next_14_days","heading":"Protocols scheduled to end in the following 14 days","note":"Register end dates from 03 May 2021 to 16 May 2021. A scheduled end is the register's date, nothing about local stock.","items":[{"key":"ssp-end:11:2021-05-14","date":"2021-05-14","title":"SSP011 Competact 15mg/850mg tablets","fact":"Scheduled end 14 May 2021 per the NHSBSA register as last checked. An extension moves this date; check the register before acting.","page":"https://shortagesignal.co.uk/ssp/11","source":null,"ssp_number":11,"medicine_label":"Competact 15mg/850mg tablets"}]},{"id":"scotland","heading":"Scotland","note":"NHS Scotland Medicine Supply Alert Notices issued this week — a separate source, never summed with England.","items":[]}],"permalink":"https://shortagesignal.co.uk/digest/2021-W17","corrections_url":"https://shortagesignal.co.uk/corrections"}}