A total of 74 cases have been found via proactive tests in Pathumthani on Wednesday, all linked to one factory in the province, the government said.
The Center for Covid-19 Situation Administration (CCSA) said they have found 175 new coronavirus cases overall in the past 24 hours.
Of those, 168 were local infections and seven were found in quarantine facilities.
Of the 168 local infections, 54 were found via tests at medical facilities and 114 via proactive tests in high-risk communities.
Of the 114 cases that were found via proactive tests, 74 were found in Pathumthani, 39 in Samut Sakhon and one in Bangkok.
CCSA spokesman Dr Taweesin Visanuyothin said all of the cases that were found via proactive tests in Pathumthani came from one factory. Of those, 49 are Burmese and 23 are Thai, one Cambodian and one Laotian.
The new Pathumthani cluster has continue to outpaced the number of cases in Samut Sakhon, where the second wave of the outbreak began, for the second day in a row as the province had reported a total of 82 cases on Wednesday compared to Samut Sakhon’s 73 cases.
The new cluster had now led to more than 270 cases since 7 February, mostly found at Thanyaburi district in Pathumthani with related cases also being reported in Nakhon Nayok (4), Phetchaburi (4), Ayutthaya (2) and one each in Bangkok, Nakhon Pathom, Saraburi, Ang Thong, Nakhon Ratchasima and Phrae.
Ongoing active case finding is ongoing at the Talad Phornphat fresh market where the new cluster began and the nearby Talad Suchart and Talad Rangsit markets, along with factories and communities surrounding the initial outbreak area, the CCSA said.
Taweesin asked people who live or work in these high-risk areas to be more vigilant with Covid-prevention measures such as mask wearing, hands washing and social distancing measures and to avoid travelling between provinces at the moment.
The CCSA has also confirmed that a 21-year-old medical student from Thammasat University’s Rangsit campus has tested positive for the virus on Sunday.
Twenty people have come in close contact with the patient between 1 February and 14 February while 27 others people are considered to be at low-risk of infection.
During that time, the patient has visited the university, U-Square dormitory and Future Park (12 February and 13 February).
Clusters and provinces
The second wave of the outbreak has reached 63 out of the 77 provinces in Thailand so far. Of the 63, there are now 35 provinces that have not report any new case in past 28 days.
The hardest-hit province continues to be Samut Sakhon, which reported 15,666 confirmed cases since 15 December.
This was followed by Bangkok (929), Chonburi (652), Rayong (584), Pathumthani (392), Samut Prakan (364), Chanthaburi (221), Nonthaburi (171), Tak (137) and Ang Thong (114), respectively.
Pathumthani used to be the 10th hardest-hit province before the new cluster was found.
Of the 168 local infections reported on Wednesday, 82 were found in Pathumthani, 73 in Samut Sakhon, five in Bangkok, two in Nakhon Ratchasima and one each in Ayutthaya, Nakhon Pathom, Suphanburi, Ang Thong, Saraburi and Tak.