{"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":"2026-11-07T15:59:10.395Z","week":"2022-W20","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":"2022-W20","start":"2022-05-16","end":"2022-05-22","horizon_end":"2022-06-05","complete":true,"last_checked_at":"2026-10-20T20:54:38.356Z","total":13,"sections":[{"id":"new_notices","heading":"New notices","note":"Medicine Supply Notifications and National Patient Safety Alerts dated this week (England).","items":[{"key":"e6db82f7a91668c0b00fc0d9ba494f94","date":"2022-05-18","title":"Medicine Supply Notification: Insulin isophane human (Insuman Basal SoloStar® ) 100 IU/ml suspension for injection in a pre-filled pen","fact":"Medicine Supply Notification MSN/2022/046 issued 18 May 2022 (tier 2 of 4).","page":"https://shortagesignal.co.uk/notice/msn-2022-046","source":"https://cpe.org.uk/our-news/medicine-supply-notification-insulin-isophane-human-insuman-basal-solostar-100-iu-ml-suspension-for-injection-in-a-pre-filled-pen"}]},{"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":[]},{"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:msn-2022-032:2022-05-20","date":"2022-05-20","title":"MSN/2022/032 — Medicine Supply Notification: Clomifene 50mg tablets","fact":"Expected back \"mid-May 2022\", as currently stated by the source. That stated window ends by 20 May 2022 (the 20th of the stated month, the end this record uses for \"mid\"; the source gives no day). Reaching it is an observation about the record, not about stock at your wholesaler.","page":"https://shortagesignal.co.uk/notice/msn-2022-032","source":"https://cpe.org.uk/our-news/medicine-supply-notification-clomifene-50mg-tablets","resupply_text":"mid-May 2022"},{"key":"window:msn-2022-043:2022-05-20","date":"2022-05-20","title":"MSN/2022/043 — Medicine Supply Notification: Glycerol 1g and 4g suppositories","fact":"Expected back \"mid-May 2022\", as currently stated by the source. That stated window ends by 20 May 2022 (the 20th of the stated month, the end this record uses for \"mid\"; the source gives no day). Reaching it is an observation about the record, not about stock at your wholesaler.","page":"https://shortagesignal.co.uk/notice/msn-2022-043","source":"https://cpe.org.uk/our-news/medicine-supply-notification-glycerol-1g-and-4g-suppositories","resupply_text":"mid-May 2022"}]},{"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":"0cbe1819e960e2bebed73368fb0ce850","date":"2022-05-19","title":"SSP028 Lenzetto","fact":"Serious Shortage Protocol SSP028 issued, valid from 19 May 2022, first scheduled to end 19 Aug 2022.","page":"https://shortagesignal.co.uk/ssp/28","source":null},{"key":"24443c441db655ea3b86cbb1b45bcb4d","date":"2022-05-19","title":"SSP023 Oestrogel","fact":"Serious Shortage Protocol SSP023 issued, valid from 19 May 2022, first scheduled to end 19 Aug 2022.","page":"https://shortagesignal.co.uk/ssp/23","source":null},{"key":"2cbb1195d4ac808410e34a573c108e86","date":"2022-05-19","title":"SSP022 Oestrogel","fact":"Serious Shortage Protocol SSP022 issued, valid from 19 May 2022, first scheduled to end 19 Aug 2022.","page":"https://shortagesignal.co.uk/ssp/22","source":null},{"key":"3283f219eb3d9ca9210d4f07e3bd9e9c","date":"2022-05-19","title":"SSP026 Lenzetto","fact":"Serious Shortage Protocol SSP026 issued, valid from 19 May 2022, first scheduled to end 19 Aug 2022.","page":"https://shortagesignal.co.uk/ssp/26","source":null},{"key":"67817b6fd39d710025525067c4117968","date":"2022-05-19","title":"SSP031 Sandrena","fact":"Serious Shortage Protocol SSP031 issued, valid from 19 May 2022, first scheduled to end 19 Aug 2022.","page":"https://shortagesignal.co.uk/ssp/31","source":null},{"key":"92b66e56574a26245ed60a9f125bf652","date":"2022-05-19","title":"SSP024 Ovestin cream","fact":"Serious Shortage Protocol SSP024 issued, valid from 19 May 2022, first scheduled to end 28 Oct 2022.","page":"https://shortagesignal.co.uk/ssp/24","source":null},{"key":"99b1c72a61f92849096f769b44f1e5d7","date":"2022-05-19","title":"SSP029 Sandrena","fact":"Serious Shortage Protocol SSP029 issued, valid from 19 May 2022, first scheduled to end 19 Aug 2022.","page":"https://shortagesignal.co.uk/ssp/29","source":null},{"key":"a272ba0dd26cf959ce73ebec15f63c6e","date":"2022-05-19","title":"SSP025 Ovestin","fact":"Serious Shortage Protocol SSP025 issued, valid from 19 May 2022, first scheduled to end 28 Oct 2022.","page":"https://shortagesignal.co.uk/ssp/25","source":null},{"key":"ccac0a588dad69ec1162c22b72cf7318","date":"2022-05-19","title":"SSP027 Lenzetto","fact":"Serious Shortage Protocol SSP027 issued, valid from 19 May 2022, first scheduled to end 19 Aug 2022.","page":"https://shortagesignal.co.uk/ssp/27","source":null},{"key":"e0834d2633831e837c0465c0c4fa7274","date":"2022-05-19","title":"SSP030 Sandrena","fact":"Serious Shortage Protocol SSP030 issued, valid from 19 May 2022, first scheduled to end 19 Aug 2022.","page":"https://shortagesignal.co.uk/ssp/30","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 23 May 2022 to 05 Jun 2022. A scheduled end is the register's date, nothing about local stock.","items":[]},{"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/2022-W20","corrections_url":"https://shortagesignal.co.uk/corrections"}}