[Script Info]
Title: 
[Events]
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
Dialogue: 0,0:00:00.30,0:00:05.13,Default,,0000,0000,0000,,Con il susseguirsi della pandemia, \Nla preoccupazione ricade sulle varianti,
Dialogue: 0,0:00:05.13,0:00:07.82,Default,,0000,0000,0000,,di cui numerosi esempi\Nrilevati in Sud Africa,
Dialogue: 0,0:00:07.82,0:00:10.32,Default,,0000,0000,0000,,Brasile e Regno Unito.
Dialogue: 0,0:00:10.32,0:00:12.94,Default,,0000,0000,0000,,Ma le varianti sono complicate.
Dialogue: 0,0:00:12.94,0:00:15.74,Default,,0000,0000,0000,,Ogni variante si crea \Nda un insieme di mutazioni,
Dialogue: 0,0:00:15.74,0:00:20.02,Default,,0000,0000,0000,,ciascuna delle quali \Npotrebbero variare il virus SARS-CoV-2
Dialogue: 0,0:00:20.02,0:00:21.76,Default,,0000,0000,0000,,in modi imprevedibili.
Dialogue: 0,0:00:22.38,0:00:26.03,Default,,0000,0000,0000,,Quindi cosa si intende \Nquando parliamo di varianti?
Dialogue: 0,0:00:26.03,0:00:29.74,Default,,0000,0000,0000,,E cosa potrebbe significare\Nper il futuro della pandemia?
Dialogue: 0,0:00:30.85,0:00:34.83,Default,,0000,0000,0000,,I virus si moltiplicano \Ncopiando ripetutamente i loro genomi.
Dialogue: 0,0:00:34.83,0:00:38.95,Default,,0000,0000,0000,,Ma come una vecchia fotocopiatrice,\Nle copie non escono sempre perfette.
Dialogue: 0,0:00:38.95,0:00:42.29,Default,,0000,0000,0000,,Ogni copia imperfetta è una variante.
Dialogue: 0,0:00:43.12,0:00:47.38,Default,,0000,0000,0000,,Normalmente le imperfezioni o le mutazioni\Nnon cambiano il comportamento del virus,
Dialogue: 0,0:00:47.38,0:00:50.87,Default,,0000,0000,0000,,e spesso lo rendono\Nmeno efficace del ceppo originale.
Dialogue: 0,0:00:51.61,0:00:54.54,Default,,0000,0000,0000,,Ma di rado, le mutazioni\Npossono variare il virus
Dialogue: 0,0:00:54.54,0:00:56.43,Default,,0000,0000,0000,,in maniera molto importante.
Dialogue: 0,0:00:56.43,0:00:58.56,Default,,0000,0000,0000,,Possono renderlo più contagioso,
Dialogue: 0,0:00:58.56,0:01:01.74,Default,,0000,0000,0000,,o più capace di evitare \Nil sistema immunitario.
Dialogue: 0,0:01:03.11,0:01:06.00,Default,,0000,0000,0000,,Più un virus si replica senza controllo,
Dialogue: 0,0:01:06.00,0:01:09.99,Default,,0000,0000,0000,,maggiori sono le probabilità \Ndi queste rare mutazioni.
Dialogue: 0,0:01:10.56,0:01:12.06,Default,,0000,0000,0000,,Può succedere quando il virus
Dialogue: 0,0:01:12.06,0:01:14.95,Default,,0000,0000,0000,,si diffone velocemente\Nattraverso una popolazione,
Dialogue: 0,0:01:15.61,0:01:18.55,Default,,0000,0000,0000,,o quando incontra un ospite\Ncon meno capacità di combatterlo,
Dialogue: 0,0:01:18.55,0:01:22.29,Default,,0000,0000,0000,,come le persone con un sistema immunario\Ncompromesso da cure mediche
Dialogue: 0,0:01:22.29,0:01:24.60,Default,,0000,0000,0000,,o chi ha l'HIV+.
Dialogue: 0,0:01:24.60,0:01:28.66,Default,,0000,0000,0000,,
Dialogue: 0,0:01:28.66,0:01:31.10,Default,,0000,0000,0000,,
Dialogue: 0,0:01:31.10,0:01:33.57,Default,,0000,0000,0000,,
Dialogue: 0,0:01:33.57,0:01:37.80,Default,,0000,0000,0000,,
Dialogue: 0,0:01:37.80,0:01:41.60,Default,,0000,0000,0000,,
Dialogue: 0,0:01:42.68,0:01:45.56,Default,,0000,0000,0000,,
Dialogue: 0,0:01:45.56,0:01:49.77,Default,,0000,0000,0000,,
Dialogue: 0,0:01:49.77,0:01:52.88,Default,,0000,0000,0000,,
Dialogue: 0,0:01:52.88,0:01:55.23,Default,,0000,0000,0000,,
Dialogue: 0,0:01:55.99,0:01:59.52,Default,,0000,0000,0000,,
Dialogue: 0,0:01:59.52,0:02:01.87,Default,,0000,0000,0000,,
Dialogue: 0,0:02:01.87,0:02:05.44,Default,,0000,0000,0000,,
Dialogue: 0,0:02:06.04,0:02:09.44,Default,,0000,0000,0000,,
Dialogue: 0,0:02:09.44,0:02:13.79,Default,,0000,0000,0000,,
Dialogue: 0,0:02:13.79,0:02:16.14,Default,,0000,0000,0000,,
Dialogue: 0,0:02:17.01,0:02:19.23,Default,,0000,0000,0000,,
Dialogue: 0,0:02:19.23,0:02:21.68,Default,,0000,0000,0000,,
Dialogue: 0,0:02:21.68,0:02:25.12,Default,,0000,0000,0000,,
Dialogue: 0,0:02:25.12,0:02:28.08,Default,,0000,0000,0000,,
Dialogue: 0,0:02:28.57,0:02:31.61,Default,,0000,0000,0000,,
Dialogue: 0,0:02:31.61,0:02:34.69,Default,,0000,0000,0000,,
Dialogue: 0,0:02:35.51,0:02:39.06,Default,,0000,0000,0000,,
Dialogue: 0,0:02:39.06,0:02:41.86,Default,,0000,0000,0000,,
Dialogue: 0,0:02:41.86,0:02:46.94,Default,,0000,0000,0000,,
Dialogue: 0,0:02:46.94,0:02:51.62,Default,,0000,0000,0000,,
Dialogue: 0,0:02:52.39,0:02:56.97,Default,,0000,0000,0000,,
Dialogue: 0,0:02:56.97,0:02:59.63,Default,,0000,0000,0000,,
Dialogue: 0,0:02:59.63,0:03:02.71,Default,,0000,0000,0000,,
Dialogue: 0,0:03:02.71,0:03:04.66,Default,,0000,0000,0000,,
Dialogue: 0,0:03:04.66,0:03:07.82,Default,,0000,0000,0000,,
Dialogue: 0,0:03:07.82,0:03:11.25,Default,,0000,0000,0000,,
Dialogue: 0,0:03:11.25,0:03:15.19,Default,,0000,0000,0000,,
Dialogue: 0,0:03:17.53,0:03:22.37,Default,,0000,0000,0000,,
Dialogue: 0,0:03:22.37,0:03:25.66,Default,,0000,0000,0000,,
Dialogue: 0,0:03:25.66,0:03:30.51,Default,,0000,0000,0000,,
Dialogue: 0,0:03:30.51,0:03:34.17,Default,,0000,0000,0000,,
Dialogue: 0,0:03:34.92,0:03:38.37,Default,,0000,0000,0000,,
Dialogue: 0,0:03:38.37,0:03:43.11,Default,,0000,0000,0000,,
Dialogue: 0,0:03:43.61,0:03:47.24,Default,,0000,0000,0000,,
Dialogue: 0,0:03:47.24,0:03:50.02,Default,,0000,0000,0000,,
Dialogue: 0,0:03:51.00,0:03:55.24,Default,,0000,0000,0000,,
Dialogue: 0,0:03:55.24,0:03:57.82,Default,,0000,0000,0000,,
Dialogue: 0,0:03:57.82,0:04:00.09,Default,,0000,0000,0000,,
Dialogue: 0,0:04:00.09,0:04:03.28,Default,,0000,0000,0000,,
Dialogue: 0,0:04:04.38,0:04:08.82,Default,,0000,0000,0000,,
Dialogue: 0,0:04:08.82,0:04:11.51,Default,,0000,0000,0000,,
Dialogue: 0,0:04:11.51,0:04:14.08,Default,,0000,0000,0000,,
Dialogue: 0,0:04:14.08,0:04:17.15,Default,,0000,0000,0000,,
Dialogue: 0,0:04:17.15,0:04:21.77,Default,,0000,0000,0000,,
Dialogue: 0,0:04:21.77,0:04:24.79,Default,,0000,0000,0000,,
Dialogue: 0,0:04:25.78,0:04:29.22,Default,,0000,0000,0000,,
Dialogue: 0,0:04:29.89,0:04:33.86,Default,,0000,0000,0000,,
Dialogue: 0,0:04:33.86,0:04:35.86,Default,,0000,0000,0000,,
Dialogue: 0,0:04:36.83,0:04:41.94,Default,,0000,0000,0000,,
Dialogue: 0,0:04:41.94,0:04:45.12,Default,,0000,0000,0000,,
Dialogue: 0,0:04:45.12,0:04:47.31,Default,,0000,0000,0000,,
Dialogue: 0,0:04:47.31,0:04:52.19,Default,,0000,0000,0000,,
Dialogue: 0,0:04:53.70,0:04:57.91,Default,,0000,0000,0000,,
Dialogue: 0,0:04:57.91,0:05:00.78,Default,,0000,0000,0000,,
Dialogue: 0,0:05:00.78,0:05:03.42,Default,,0000,0000,0000,,
Dialogue: 0,0:05:03.42,0:05:06.62,Default,,0000,0000,0000,,
Dialogue: 0,0:05:06.62,0:05:10.35,Default,,0000,0000,0000,,
Dialogue: 0,0:05:10.35,0:05:12.92,Default,,0000,0000,0000,,
Dialogue: 0,0:05:14.29,0:05:17.62,Default,,0000,0000,0000,,
Dialogue: 0,0:05:18.50,0:05:21.05,Default,,0000,0000,0000,,
Dialogue: 0,0:05:21.05,0:05:23.65,Default,,0000,0000,0000,,
Dialogue: 0,0:05:23.65,0:05:26.62,Default,,0000,0000,0000,,
Dialogue: 0,0:05:26.62,0:05:29.11,Default,,0000,0000,0000,,
Dialogue: 0,0:05:30.73,0:05:34.44,Default,,0000,0000,0000,,
Dialogue: 0,0:05:34.44,0:05:36.99,Default,,0000,0000,0000,,
Dialogue: 0,0:05:36.99,0:05:41.52,Default,,0000,0000,0000,,
Dialogue: 0,0:05:42.17,0:05:47.79,Default,,0000,0000,0000,,