ไวรัสโคโรน่า, ไวรัส, กระจาย, ไข้หวัดใหญ่, มาลา, โรค, ไอ, แบคทีเรีย, เชื้อโรค, ลมหายใจ, สุขภาพ
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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