Singapore confirms first case of monkeypox, patient's close contacts quarantined

Singapore confirms first case of monkeypox, patient's close contacts quarantined

monkeypox
File photo of a patient with monkeypox. (Photo: CDC Public Health Image Library)

SINGAPORE: Singapore's first case of monkeypox infection has been confirmed by authorities, imported by a 38-year-old Nigerian who arrived on Apr 28 and tested positive for the virus on May 8.

The patient is in stable condition in an isolation ward at the National Centre for Infectious Diseases (NCID), the Ministry of Health (MOH) said in a media release on Thursday (May 9).

Responding to queries from CNA, MOH said this is the first case of monkeypox in Singapore. 

READ: First monkeypox case in Singapore: What you need to know about the disease

Monkeypox symptoms and how it spreads - infographic

Monkeypox is a rare disease caused by a virus that is transmitted to humans from animals mainly in central and western Africa. This happens when a person comes in close contact with infected animals such as rodents. 

"The patient reported that prior to his arrival in Singapore, he had attended a wedding in Nigeria, where he may have consumed bush meat, which could be a source of transmission of monkeypox virus," said MOH.

Human-to-human transmission can happen from close contact with infected respiratory tract secretions, skin lesions of an infected person or objects recently contaminated by patient fluids.

Symptoms of monkeypox include fever, aches, swollen lymph nodes and skin rash. It can cause serious complications such as pneumonia or even death in some cases. 

The man had been staying at 21 Lorong 8 Geylang, the address of Hotel 81 Orchid, before he was hospitalised. He had also attended a workshop at 3 Church Street on Apr 29 and Apr 30. 

On Apr 30, he developed fever, muscle ache, chills and skin rash, said MOH, adding that the man said he remained in his hotel room most of the time between May 1 and 7. 

He was taken to Tan Tock Seng Hospital by ambulance on May 7, and was referred to NCID that same day. 

CONTACT TRACING

MOH said it conducted contact tracing and identified 23 people who came into close contact with the patient. 

They include 18 people who attended the same workshop, one staff member of the workshop venue and four hotel employees. 

"Close contacts of the patient have been assessed by NCID and offered vaccination, which can prevent the disease or reduce the severity of symptoms," said MOH. 

"As a precautionary measure, they will be quarantined and monitored for 21 days from their date of exposure to the patient."

MOH told CNA that no one from the list of close contacts showed any symptoms of the virus. 

READ: Britain reports two separate cases of rare monkeypox infection

RISK OF SPREADING IN SINGAPORE IS LOW: PROF

The risk of monkeypox spreading within the community in Singapore is low, said executive director of NCID Professor Leo Yee Sin. 

"There is no evidence to date that human-to-human transmission alone can sustain monkeypox infections in the human population," Prof Leo said. 

"On average, each infected person transmits the infection to less than one other person. This is much less infectious than the common flu. The chain of transmission can also be broken through contact tracing and quarantine of close contacts.”

MOH added that the disease is usually self-limiting, with most patients recovering within two to three weeks.

Apart from the 23 people quarantined, all other contacts who have a low risk of being infected have also been put under active surveillance, and will be contacted twice daily to monitor their health status, said MOH.

One workshop participant who had left Singapore on May 5, before the patient was seen and diagnosed with monkeypox, has reported to MOH that he remains well with no symptoms. 

As a precaution, MOH said it has informed the public health authority in the participant's home country.

Source: CNA/hs/zl(gs/hm)

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