ทางการแพทย์, มาลา, ทดสอบ, ไม้กวาดคอ, ทดสอบด่วน, โควิด, Pcr-ทดสอบ, การระบาดกระจายทั่ว
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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