1 00:00:00,077 --> 00:00:02,637 최근 홍역에 대해 이야기가 많습니다. 2 00:00:02,885 --> 00:00:05,438 홍역이 무슨 해를 끼치는걸까요? 3 00:00:05,438 --> 00:00:07,991 그리고 이에 맞서 백신을 맞을 필요가 있는걸까요? 4 00:00:07,991 --> 00:00:10,545 아니면 그냥 음모에 불과한 걸까요? 5 00:00:10,545 --> 00:00:14,050 홍역은 바이러스입니다 6 00:00:14,050 --> 00:00:17,556 절반은 단백질이고, RNA와 번식을 위한 단백질로 구성되어있죠 7 00:00:17,556 --> 00:00:19,515 스스로 번식을 할 수 없고, 하려면 숙주세포가 필요합니다 8 00:00:19,515 --> 00:00:21,660 홍역에 대해 알아보기 위해서는 9 00:00:22,030 --> 00:00:25,719 우리의 면역계에 대해 알아 둘 필요가 있습니다. 10 00:00:26,019 --> 00:00:29,788 이해를 돕기 위해 만든 이 그림을 이전에도 한번 본적이 있을지 모르겠네요 11 00:00:30,018 --> 00:00:31,353 이제 이중에 홍역에 관련된 부분에만 집중해보도록 하죠 12 00:00:31,353 --> 00:00:33,427 홍역 바이러스는 코, 입, 눈을 통해 체내로 들어오게됩니다 13 00:00:33,837 --> 00:00:37,980 홍역의 감염은 폐에서부터 시작됩니다 14 00:00:38,350 --> 00:00:41,904 홍역은 폐로 오는 침입자를 막아주는 일차방어선인 15 00:00:42,184 --> 00:00:44,328 대식세포를 감염시키는데 능합니다 16 00:00:44,808 --> 00:00:48,511 바이러스들은 그 안으로 들어가서 세포를 장악해버립니다 17 00:00:48,511 --> 00:00:52,833 바이러스는 세포를 조작해서 18 00:00:52,972 --> 00:00:54,896 위험한 바이러스 생산공장으로 바꿔버립니다 19 00:00:55,346 --> 00:00:57,255 그렇게 세포가 바이러스로 채워지면 20 00:00:57,255 --> 00:01:00,637 바이러스들은 망가진 세포를 빠져나가고 21 00:01:00,979 --> 00:01:03,134 다른 세포에 이런 과정을 반복합니다 22 00:01:03,134 --> 00:01:06,843 하지만 면역계에는 바이러스 감염에 대한 강력한 무기인 23 00:01:07,213 --> 00:01:10,930 자연살해세포가 있습니다 24 00:01:10,930 --> 00:01:12,356 이 세포들은 몸 속을 순찰하면서 25 00:01:12,696 --> 00:01:17,056 감염된 다른 세포가 있는지 확인합니다 26 00:01:17,326 --> 00:01:21,370 그렇게 감염된 세포를 찾게되면 27 00:01:21,730 --> 00:01:24,772 스스로 자살하도록 명령을 내립니다 28 00:01:24,772 --> 00:01:27,709 이 방법은 아주 효과적이어서 29 00:01:28,079 --> 00:01:31,644 감염 초기 10일동안은 홍역에 걸렸는지도 잘 모르게됩니다 30 00:01:31,984 --> 00:01:33,824 그리고 이제부터 홍역이 왜 31 00:01:33,824 --> 00:01:36,606 32 00:01:36,606 --> 00:01:37,818 33 00:01:38,068 --> 00:01:41,698 34 00:01:41,698 --> 00:01:42,950 35 00:01:42,950 --> 00:01:44,903 36 00:01:44,903 --> 00:01:48,084 37 00:01:48,604 --> 00:01:52,120 38 00:01:52,410 --> 00:01:54,050 39 00:01:54,050 --> 00:01:57,791 40 00:01:58,161 --> 00:02:00,834 41 00:02:00,834 --> 00:02:02,479 42 00:02:02,719 --> 00:02:03,784 43 00:02:03,784 --> 00:02:07,482 44 00:02:07,482 --> 00:02:08,820 45 00:02:08,960 --> 00:02:12,103 46 00:02:12,403 --> 00:02:14,224 47 00:02:14,354 --> 00:02:16,704 48 00:02:16,704 --> 00:02:18,168 49 00:02:18,168 --> 00:02:19,906 50 00:02:19,906 --> 00:02:21,469 51 00:02:21,469 --> 00:02:25,043 52 00:02:25,043 --> 00:02:26,297 53 00:02:26,297 --> 00:02:30,356 54 00:02:30,356 --> 00:02:33,209 55 00:02:33,209 --> 00:02:35,955 56 00:02:35,955 --> 00:02:39,066 57 00:02:39,486 --> 00:02:43,044 58 00:02:43,634 --> 00:02:45,976 59 00:02:45,976 --> 00:02:48,180 60 00:02:48,180 --> 00:02:51,349 61 00:02:51,739 --> 00:02:55,426 62 00:02:55,426 --> 00:02:59,198 63 00:02:59,198 --> 00:03:02,093 64 00:03:02,093 --> 00:03:04,254 65 00:03:04,714 --> 00:03:07,648 66 00:03:07,648 --> 00:03:10,827 67 00:03:10,827 --> 00:03:14,956 68 00:03:15,346 --> 00:03:18,105 69 00:03:18,375 --> 00:03:20,845 70 00:03:20,845 --> 00:03:23,710 71 00:03:24,020 --> 00:03:28,004 72 00:03:28,004 --> 00:03:30,097 73 00:03:30,417 --> 00:03:32,991 74 00:03:32,991 --> 00:03:34,963 75 00:03:35,373 --> 00:03:38,625 76 00:03:38,625 --> 00:03:40,689 77 00:03:41,045 --> 00:03:45,148 78 00:03:45,148 --> 00:03:48,586 79 00:03:48,586 --> 00:03:50,417 80 00:03:50,653 --> 00:03:54,461 81 00:03:54,721 --> 00:03:57,157 82 00:03:57,157 --> 00:03:59,609 83 00:03:59,609 --> 00:04:01,942 84 00:04:01,942 --> 00:04:04,432 85 00:04:04,432 --> 00:04:07,143 86 00:04:07,543 --> 00:04:10,588 87 00:04:10,588 --> 00:04:13,290 88 00:04:13,892 --> 00:04:15,295 89 00:04:15,515 --> 00:04:19,435 90 00:04:19,435 --> 00:04:23,959 91 00:04:24,209 --> 00:04:26,047 92 00:04:26,047 --> 00:04:29,844 93 00:04:29,844 --> 00:04:31,822 94 00:04:32,209 --> 00:04:34,967 95 00:04:35,497 --> 00:04:38,846 96 00:04:39,086 --> 00:04:41,488 97 00:04:41,488 --> 00:04:45,303 98 00:04:45,593 --> 00:04:48,978 99 00:04:48,978 --> 00:04:49,970 100 00:04:49,970 --> 00:04:51,160 101 00:04:51,160 --> 00:04:54,231 102 00:04:54,231 --> 00:04:55,930 103 00:04:56,380 --> 00:04:59,624 104 00:04:59,794 --> 00:05:01,761 105 00:05:01,761 --> 00:05:04,391 106 00:05:04,391 --> 00:05:07,173 107 00:05:07,173 --> 00:05:10,220