COVID-19 pandemic in Saint Helena, Ascension and Tristan da Cunha

On 27 March 2020 the Saint Helena government announced a suspected case of COVID-19 in an individual that had been self-isolating since 21 March.[2] Owing to Saint Helena's remote location, no testing facilities were readily available at that time. The case later tested negative.[3]

On 5 January 2021, the first doses of the Oxford–AstraZeneca COVID-19 vaccine were delivered to Saint Helena and began to be administered.[4]

On 26 March 2021, Health Directorate of Saint Helena reported a low positive case, a passenger arrived by flight on 24 March.[5] The passenger was tested negative on 29 March 2021.[6]

On 27 March 2021, Saint Helena government announced an unspecified number of positive cases on a fishing vessel.[7]

On 5 May 2021, the Government of Saint Helena announced that 3,528 residents had received both doses of the vaccine; this represents 95.1% of Saint Helena's adult population and 77.8% of its total population.[8]

On 3 September, an unspecified number of cases are announced on a flight from United Kingdom.[9]

On 18 January 2022, a new unspecified number of positive cases are detected in home quarantine.[10]

On 21 January,[11] 17 March,[12] 1st[13] and 5th April,[14] new unspecified number of positive cases are reported.

On 20 April 2022, an unspecified number of positive cases are confirmed and other case from an individual tested on 9 April.[15]

On 4 May[16] and 11 May, new unspecified number of cases are reported. Other cases are confirmed on individuals in home quarantine tested on 23 April.[17]

On 2 June 2022, the MV Helena confirmed positive cases on board.[18]

On 27 June 2022, new positive cases are confirmed along passengers from flight arrived on 19 June.[19]

On 5th[20] and 29th July,[21] new unspecified number of positive cases are detected.

On 23 September 2022, 1,355 positive cases are reported.[22]

On 16 March 2020, three people who arrived by air to Ascension Island showed symptoms of COVID-19.[23] However, on 23 March it was announced that they had tested negative on 22 March.[24]

On 7 September 2020, the Ascension Island Government announced two weak positives cases on two peoples arrived on 4 September with a negative test result.[25] The two cases were tested negative and confirmed as historical infection on 9 September.[26]

On 16 November 2020, the Ascension Island Government reported one other weak positive case,[27] subsequently tested negative on 18 November.[28]

On 24 December 2020, the Ascension Island Government announced a positive case in isolation.[29] The case was tested negative on 6 January 2021.[30]

On 16 February 2021, 1950 doses of the Oxford-AstraZeneca vaccine were delivered by the Royal Air Force; vaccinations began the next day.[31][32] By March 25, 798 of Ascension's 806 people (99%) had received at least one dose of the vaccine.[33]

On 16 April 2021, a new positive case is reported on an individual arrived on 14 April and mildly symptomatic.[34] On 26 April, the case is confirmed to be negative.[35]

On 15 July 2021, a mildly symptomatic case is reported.[36] The case is tested negative on 26 July.[37]

3 individuals are tested positive on 9 August 2021,[38] and subsequently tested negative on 23 August.[39]

On 6 January 2022, two positive cases are detected.[40] A new positive case is reported on 19 January.[41]

On 8 February 2022, a new positive case is confirmed.[42]

On 10 March, a new positive case is reported in compulsory isolation.[43] An other case is confirmed on 18 March.[44]

On 4 April 2022, an individual arrived by flight from United Kingdom is confirmed positive.[45]

On 4 May 2022, two individuals arrived by boat from Canada were tested positive.[46]

On 18 May, two individuals arrived by flight on 12 May, previously tested negative, are tested positive.[47]

On 24 June 2022, three new positive cases are reported.[48]

On 29 June 2022, a new positive case is confirmed.[49]

Ascension Island removed all quarantine requirement for travelers on 31 July 2022.[50]

On 9 August 2022, Ascension Island government confirmed the first community case.[51]

As of 9 August 2022, Ascension Island government reported 24 positive cases and 2 historical.

Since 8 August 2022, 170 positive cases are reported.[52]

On 16 March 2020, the Tristan da Cunha Island Council on Tristan da Cunha made the decision, as a precaution, to ban visitors to the island to prevent the potential transmission of the disease to islanders.[53]

On 21 April 2021, HMS Forth delivered enough Oxford-AstraZeneca vaccine for the whole island to be completely vaccinated.[54] Vaccinations began on April 28 though data has not yet been released on the percentage of people that have received them.[55]

As of 27 April 2021, there had been no reported cases of the coronavirus.

On 19 July 2021, two positive cases are detected on board of the MFV Edinburgh before disembarkation.[56] Edinburgh of the Seven Seas subsequently entered into lockdown for 10 days.[56]