{"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":"2026-11-07T15:49:18.761Z","week":"2022-W21","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-W21","start":"2022-05-23","end":"2022-05-29","horizon_end":"2022-06-12","complete":true,"last_checked_at":"2026-10-20T20:54:38.356Z","total":7,"sections":[{"id":"new_notices","heading":"New notices","note":"Medicine Supply Notifications and National Patient Safety Alerts dated this week (England).","items":[{"key":"5e4a0e47e2851ae398f36b83800cd4a6","date":"2022-05-23","title":"Medicine Supply Notification: Estradiol (Sandrena® ) 500microgram and 1mg gel sachets","fact":"Medicine Supply Notification MSN/2022/048 issued 23 May 2022 (tier 2 of 4).","page":"https://shortagesignal.co.uk/notice/msn-2022-048","source":"https://cpe.org.uk/our-news/medicine-supply-notification-estradiol-sandrena-500microgram-and-1mg-gel-sachets"},{"key":"5f60edad43bb7c0240dede688160f0a8","date":"2022-05-23","title":"Medicine Supply Notification: Estradiol (Lenzetto® ) 1.53mg/dose transdermal spray","fact":"Medicine Supply Notification MSN/2022/049 issued 23 May 2022 (tier 2 of 4).","page":"https://shortagesignal.co.uk/notice/msn-2022-049","source":"https://cpe.org.uk/our-news/medicine-supply-notification-estradiol-lenzetto-1-53mg-dose-transdermal-spray"},{"key":"84233321cf0fe1c6e950c81d3e633843","date":"2022-05-26","title":"Medicine Supply Notification: Methylphenidate (Xaggitin® XL) 18mg, 27mg, 36mg and 54mg prolonged-release tablets","fact":"Medicine Supply Notification MSN/2022/050 issued 26 May 2022 (tier 2 of 4).","page":"https://shortagesignal.co.uk/notice/msn-2022-050","source":"https://cpe.org.uk/our-news/medicine-supply-notification-methylphenidate-xaggitin-xl-18mg-27mg-36mg-and-54mg-prolonged-release-tablets"},{"key":"d07e9c5238b9313b9889e7136674fcd7","date":"2022-05-26","title":"Medicine Supply Notification: Colestipol (Colestid® ) orange and plain 5g granules sachets","fact":"Medicine Supply Notification MSN/2022/051 issued 26 May 2022 (tier 2 of 4).","page":"https://shortagesignal.co.uk/notice/msn-2022-051","source":"https://cpe.org.uk/our-news/medicine-supply-notification-colestipol-colestid-orange-and-plain-5g-granules-sachets"}]},{"id":"updated_notices","heading":"Updated notices","note":"Notifications whose source post records an update dated this week.","items":[{"key":"1d4b2848cb040b2ffe66bac63415c606","date":"2022-05-24","title":"Medicine Supply Notification: Estradiol (Oestrogel® ) pump pack 0.06% gel - Updated","fact":"Notification MSN/2022/037 updated 24 May 2022.","page":"https://shortagesignal.co.uk/notice/msn-2022-037","source":"https://cpe.org.uk/our-news/medicine-supply-notification-estradiol-oestrogel-pump-pack-0-06-gel-2"},{"key":"526b9fd78d1f7bc0abe34965b6be87a3","date":"2022-05-24","title":"Medicine Supply Notification: Estriol (Ovestin® ) 1mg cream - Updated","fact":"Notification MSN/2022/038 updated 24 May 2022.","page":"https://shortagesignal.co.uk/notice/msn-2022-038","source":"https://cpe.org.uk/our-news/medicine-supply-notification-estriol-ovestin-1mg-cream-2"}]},{"id":"discontinuations","heading":"Discontinuations","note":"Discontinuations stated in a notice, dated by the notice or update that states them.","items":[{"key":"3b70380762838a4194957a5338b6d2e3","date":"2022-05-26","title":"Medicine Supply Notification: Colestipol (Colestid® ) orange and plain 5g granules sachets","fact":"Discontinuation notified in MSN/2022/051, dated 26 May 2022.","page":"https://shortagesignal.co.uk/notice/msn-2022-051","source":"https://cpe.org.uk/our-news/medicine-supply-notification-colestipol-colestid-orange-and-plain-5g-granules-sachets"}]},{"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":[]},{"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":[]},{"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 30 May 2022 to 12 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-W21","corrections_url":"https://shortagesignal.co.uk/corrections"}}