TheCOVID-19 pandemic in Southeast Asia is part of the ongoingworldwide pandemic ofcoronavirus disease 2019 (COVID-19) caused bysevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2). It was confirmed to have spread toSoutheast Asia on 13 January 2020, when a 61-year-old woman fromWuhan tested positive inThailand, making it the first country other thanChina to report a case.^[2] The first death occurred on 2 February, involving a 44-year-old Chinese man in thePhilippines, also the first outside China.^[3] By 24 March, all states in the region had announced at least one case.

As of 23 October 2025,Vietnam has the highest number of cases, ahead ofIndonesia andMalaysia, while Indonesia has the highest number of deaths. On the other hand,Timor-Leste has the least cases and deaths.

On 12 January 2020, theWorld Health Organization (WHO) confirmed that anovel coronavirus was the cause of a respiratory illness in a cluster of people inWuhan,Hubei,China, which was reported to the WHO on 31 December 2019.^[4][5]

Thecase fatality ratio for COVID-19 has been much lower thanSARS of 2003,^[6][7] but thetransmission has been significantly greater, with a significant total death toll.^[8][6]

Southeast Asia was among the firstregions to be affected by the pandemic.Thailand,the Philippines,Singapore,Cambodia,Vietnam, andMalaysia reported the index cases in January 2020, while the rest were in March.

Southeast Asia faced its first wave in January 2021 by reporting more than 15,000 cases daily, mostly contributed byIndonesia. The second rise in infections began in early June amidst of the surge of theDelta variant, and peaked from July to August when the region averaged almost 100,000 cases and 3,000 deaths daily. All countries had its cases rising rapidly, leading to lockdowns and activities restrictions.

The third wave hit Southeast Asia in February 2022 as it reported more than 200,000 cases daily due to the spread of theOmicron variant. However, the death number was four to six times lower than the previous peak.

Brunei confirmed its first case on 9 March 2020 inTutong, involving a 53-year-old man who had returned fromKuala Lumpur, Malaysia on 3 March.^[9] It has spread to alldistricts of Brunei.

On 27 January 2020, Cambodia announced its first case inSihanoukville. It involved a 60-year-oldChinese man who had travel history to Wuhan with his family.^[10]

Indonesia reported its first cases on 2 March 2020, after a dance instructor and her mother were tested positive for the virus. Both were in contact with aJapanese national who was later tested positive in Malaysia.^[11] By 9 April, it had spread to all34 provinces in the country.Jakarta,West Java, andCentral Java are the worst-hit provinces.

Laos confirmed its first cases on 24 March 2020, becoming the last country in Southeast Asia to report COVID-19 cases.^[12]

Malaysia announced its first cases on 25 January 2020. It started when eight Chinese nationals were quarantined at ahotel inJohor Bahru on 24 January after coming into contact with an infected person in neighbouring Singapore.^[13] Despite early reports of them tested negative for the virus,^[14] three of them were confirmed to be infected on 25 January and subsequently quarantined at theSungai Buloh Hospital inSelangor.

The pandemic reached Myanmar on 23 March 2020. Its first two cases involved a 36-year-old man travelling back from theUnited States and a 26-year-old man returning fromGreat Britain. Both were Myanma nationals and had tested positive.^[15]

On 30 January 2020, the Philippines confirmed its first case inMetro Manila. It involved a 38-year-old Chinese woman fromWuhan who was confined inSan Lazaro Hospital inManila. The second case was confirmed on 2 February, involving a 44-year-old Chinese man who died a day earlier, which was also the first confirmed death from the disease outside mainland China.

Singapore reported its first case on 23 January 2020, involving a 66-year-old Chinese man who flew in fromGuangzhou with his family.^[16]

Thailand became the first country outside China to report a case. Its first case was on 13 January 2020, involving a 61-year-old Chinese woman who was a resident of Wuhan. She flew with her family to Suvarnabhumi Airport in Bangkok on 8 January where she was detected using athermal surveillance and then hospitalised. A few days later she was tested positive for the virus.

Timor-Leste confirmed its first COVID-19 case on 21 March 2020. It was an imported case and its origin is unknown.^[17]

On 23 January 2020, it was confirmed that the pandemic had spread to Vietnam, when a 66-year-old Chinese man travelling from epicenter Wuhan toHanoi to visit his son tested positive. His son contracted the virus from his father when they met inNha Trang.^[18]

COVID-19 cases in Southeast Asia (as of 2 May 2023)^[1]

Countries or territories	Index case(s)		Cases	Recoveries	Deaths	Active
	Date[a]	Location	35,910,444	35,447,220	367,339	95,885
Brunei	9 March	Tutong	285,740	285,515	225	0
Cambodia	27 January	Sihanoukville	138,733	135,675	3,056	2
East Timor	21 March	Unknown	23,428	23,102	138	188
Indonesia	2 March	Kemang	6,776,984	6,601,452	161,327	14,205
Laos	24 March	Vientiane	218,077	217,290	758	29
Malaysia	25 January	Johor Bahru	5,071,840	5,020,529	37,020	14,291
Myanmar	23 March	Tedim	634,983	614,869	19,492	622
Philippines	30 January	Manila	4,095,468	4,021,987	66,444	7,037
Singapore	23 January	Sentosa	2,368,597	2,347,000	1,727	19,870
Thailand	13 January	Bangkok	4,732,301	4,692,636	33,957	5,708
Vietnam	23 January	Ho Chi Minh City	11,564,293	11,487,165	43,195	33,933

• COVID-19 pandemic in Asia
• History of Southeast Asia

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