[Script Info]
Title: 
[Events]
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
Dialogue: 0,0:00:01.49,0:00:06.42,Default,,0000,0000,0000,,Questo è il nuovo vaccino monodose\Ncontro il Covid-19, da Johnson & Johnson.
Dialogue: 0,0:00:06.42,0:00:09.25,Default,,0000,0000,0000,,A Marzo, più di 6000 dosi
Dialogue: 0,0:00:09.25,0:00:13.12,Default,,0000,0000,0000,,avrebbero dovuto essere spedite\Nalla citta di Detroit, nel Michigan.
Dialogue: 0,0:00:13.12,0:00:15.38,Default,,0000,0000,0000,,Ma il sindaco ha detto "no grazie".
Dialogue: 0,0:00:15.38,0:00:18.20,Default,,0000,0000,0000,,"Moderna e Pfizer sono i migliori.
Dialogue: 0,0:00:18.20,0:00:20.28,Default,,0000,0000,0000,,E io farò tutto ciò che posso
Dialogue: 0,0:00:20.28,0:00:24.37,Default,,0000,0000,0000,,affinché i residenti di Detroit\Nabbiano il meglio.
Dialogue: 0,0:00:24.37,0:00:29.26,Default,,0000,0000,0000,,Si riferiva ai numeri\Nsul "livello di efficacia" del vaccino.
Dialogue: 0,0:00:29.26,0:00:31.76,Default,,0000,0000,0000,,I vaccini di Pfizer/BioNTech e Moderna
Dialogue: 0,0:00:31.76,0:00:34.21,Default,,0000,0000,0000,,hanno livelli di efficacia molto alti:
Dialogue: 0,0:00:34.21,0:00:37.25,Default,,0000,0000,0000,,95% e 94%.
Dialogue: 0,0:00:37.25,0:00:39.00,Default,,0000,0000,0000,,E Johnson & Johnson?
Dialogue: 0,0:00:39.00,0:00:41.18,Default,,0000,0000,0000,,Solo il 66%.
Dialogue: 0,0:00:41.18,0:00:45.79,Default,,0000,0000,0000,,Se guardi i numeri,\Nè naturale pensare che questo vaccino
Dialogue: 0,0:00:45.79,0:00:48.04,Default,,0000,0000,0000,,sia peggiore degli altri due.
Dialogue: 0,0:00:48.04,0:00:50.46,Default,,0000,0000,0000,,Ma è un'idea sbagliata.
Dialogue: 0,0:00:50.46,0:00:53.81,Default,,0000,0000,0000,,Questi numeri non sono nemmeno\Nil parametro più importante
Dialogue: 0,0:00:53.81,0:00:56.90,Default,,0000,0000,0000,,per capire quanto siano efficaci\Nquesti vaccini.
Dialogue: 0,0:00:56.90,0:00:58.39,Default,,0000,0000,0000,,Per capire quali sono,
Dialogue: 0,0:00:58.39,0:01:02.27,Default,,0000,0000,0000,,bisogna prima capire\Ncosa fanno davvero i vaccini.
Dialogue: 0,0:01:06.36,0:01:10.63,Default,,0000,0000,0000,,L'efficacia di un vaccino è calcolata\Ndurante studi clinici,
Dialogue: 0,0:01:10.63,0:01:14.76,Default,,0000,0000,0000,,quando il vaccino viene testato\Nsu decine di migliaia di persone.
Dialogue: 0,0:01:14.76,0:01:17.32,Default,,0000,0000,0000,,Queste persone sono divise in due gruppi:
Dialogue: 0,0:01:17.32,0:01:21.06,Default,,0000,0000,0000,,metà riceve il vaccino,\Nl'altra metà del placebo.
Dialogue: 0,0:01:21.06,0:01:23.15,Default,,0000,0000,0000,,Dopodiché vengono mandati a casa,
Dialogue: 0,0:01:23.15,0:01:28.28,Default,,0000,0000,0000,,e gli scienziati controllano per mesi \Nse qualcuno di loro prenderà il Covid-19.
Dialogue: 0,0:01:28.28,0:01:34.06,Default,,0000,0000,0000,,Agli studi per Pfizer/BioNTech ad esempio,\Nhanno preso parte 43.000 persone.
Dialogue: 0,0:01:34.06,0:01:38.55,Default,,0000,0000,0000,,Alla fine, quelle infettate dal Covid-19\Nsono state 170.
Dialogue: 0,0:01:38.55,0:01:41.78,Default,,0000,0000,0000,,È in base al gruppo di appartenenza
Dialogue: 0,0:01:41.78,0:01:45.00,Default,,0000,0000,0000,,che viene determinata\Nl'efficacia del vaccino.
Dialogue: 0,0:01:45.00,0:01:47.83,Default,,0000,0000,0000,,Se i 170 fossero equamente divisi,
Dialogue: 0,0:01:47.83,0:01:51.04,Default,,0000,0000,0000,,significherebbe che \Nle probabilità di ammalarsi sono uguali
Dialogue: 0,0:01:51.04,0:01:52.40,Default,,0000,0000,0000,,per vaccinati e non.
Dialogue: 0,0:01:52.40,0:01:56.09,Default,,0000,0000,0000,,Quindi l'efficacia sarebbe dello 0%.
Dialogue: 0,0:01:56.09,0:02:01.83,Default,,0000,0000,0000,,Se tutti i 170 fossero nel gruppo placebo\Ne nessuno tra quelli vaccinati,
Dialogue: 0,0:02:01.83,0:02:05.90,Default,,0000,0000,0000,,il vaccino avrebbe un'efficacia del 100%.
Dialogue: 0,0:02:05.90,0:02:10.04,Default,,0000,0000,0000,,Durante questo test, si sono ammalate\N162 persone nel gruppo placebo,
Dialogue: 0,0:02:10.04,0:02:12.22,Default,,0000,0000,0000,,e solo otto tra quelle vaccinate.
Dialogue: 0,0:02:12.22,0:02:18.23,Default,,0000,0000,0000,,Significa il 95% di probabilità in meno \Ndi contrarre il Covid-19:
Dialogue: 0,0:02:18.23,0:02:22.18,Default,,0000,0000,0000,,Quindi il vaccino\Nha un'efficacia del 95%.
Dialogue: 0,0:02:23.34,0:02:28.69,Default,,0000,0000,0000,,E non significa che ogni 100 vaccinati,\N5 si ammaleranno.
Dialogue: 0,0:02:28.69,0:02:33.57,Default,,0000,0000,0000,,quel 95% si applica\Nal singolo individuo.
Dialogue: 0,0:02:33.57,0:02:35.43,Default,,0000,0000,0000,,Quindi, ogni vaccinato
Dialogue: 0,0:02:35.43,0:02:40.67,Default,,0000,0000,0000,,ha il 95% di probabilità in meno\Ndi ammalarsi rispetto a un non vaccinato,
Dialogue: 0,0:02:40.67,0:02:43.88,Default,,0000,0000,0000,,se si trova esposto al Covid-19.
Dialogue: 0,0:02:43.88,0:02:49.12,Default,,0000,0000,0000,,Il livello di efficacia di ogni vaccino\Nè calcolato così.
Dialogue: 0,0:02:49.12,0:02:55.05,Default,,0000,0000,0000,,Ma questi studi clinici\Navvengono in circostanze diverse.
Dialogue: 0,0:02:55.05,0:02:57.75,Default,,0000,0000,0000,,Quindi, una delle riflessioni\Npiù importanti da fare qui,
Dialogue: 0,0:02:57.75,0:02:59.25,Default,,0000,0000,0000,,quando guardiamo questi numeri,
Dialogue: 0,0:02:59.25,0:03:03.34,Default,,0000,0000,0000,,è la tempistica con cui questi studi\Nsono stati svolti.
Dialogue: 0,0:03:03.34,0:03:08.59,Default,,0000,0000,0000,,
Dialogue: 0,0:03:08.59,0:03:13.91,Default,,0000,0000,0000,,
Dialogue: 0,0:03:13.91,0:03:17.32,Default,,0000,0000,0000,,
Dialogue: 0,0:03:17.32,0:03:20.34,Default,,0000,0000,0000,,
Dialogue: 0,0:03:20.34,0:03:24.72,Default,,0000,0000,0000,,
Dialogue: 0,0:03:24.72,0:03:26.36,Default,,0000,0000,0000,,
Dialogue: 0,0:03:26.36,0:03:29.75,Default,,0000,0000,0000,,
Dialogue: 0,0:03:29.75,0:03:32.68,Default,,0000,0000,0000,,
Dialogue: 0,0:03:32.68,0:03:36.27,Default,,0000,0000,0000,,
Dialogue: 0,0:03:36.27,0:03:39.64,Default,,0000,0000,0000,,
Dialogue: 0,0:03:39.64,0:03:43.26,Default,,0000,0000,0000,,
Dialogue: 0,0:03:43.26,0:03:47.00,Default,,0000,0000,0000,,
Dialogue: 0,0:03:47.00,0:03:50.34,Default,,0000,0000,0000,,
Dialogue: 0,0:03:50.34,0:03:54.29,Default,,0000,0000,0000,,
Dialogue: 0,0:03:54.29,0:03:59.38,Default,,0000,0000,0000,,
Dialogue: 0,0:03:59.38,0:04:03.36,Default,,0000,0000,0000,,
Dialogue: 0,0:04:03.36,0:04:08.76,Default,,0000,0000,0000,,
Dialogue: 0,0:04:08.76,0:04:12.30,Default,,0000,0000,0000,,
Dialogue: 0,0:04:12.30,0:04:16.31,Default,,0000,0000,0000,,
Dialogue: 0,0:04:16.31,0:04:19.08,Default,,0000,0000,0000,,
Dialogue: 0,0:04:19.08,0:04:21.82,Default,,0000,0000,0000,,
Dialogue: 0,0:04:21.82,0:04:27.48,Default,,0000,0000,0000,,
Dialogue: 0,0:04:27.48,0:04:30.66,Default,,0000,0000,0000,,
Dialogue: 0,0:04:30.66,0:04:35.86,Default,,0000,0000,0000,,
Dialogue: 0,0:04:35.86,0:04:38.90,Default,,0000,0000,0000,,
Dialogue: 0,0:04:38.90,0:04:44.51,Default,,0000,0000,0000,,
Dialogue: 0,0:04:44.51,0:04:49.33,Default,,0000,0000,0000,,
Dialogue: 0,0:04:49.33,0:04:54.13,Default,,0000,0000,0000,,
Dialogue: 0,0:04:54.13,0:04:56.50,Default,,0000,0000,0000,,
Dialogue: 0,0:04:56.50,0:05:00.73,Default,,0000,0000,0000,,
Dialogue: 0,0:05:00.73,0:05:05.68,Default,,0000,0000,0000,,
Dialogue: 0,0:05:05.68,0:05:09.07,Default,,0000,0000,0000,,
Dialogue: 0,0:05:09.07,0:05:11.63,Default,,0000,0000,0000,,
Dialogue: 0,0:05:11.63,0:05:15.38,Default,,0000,0000,0000,,
Dialogue: 0,0:05:15.38,0:05:17.74,Default,,0000,0000,0000,,
Dialogue: 0,0:05:17.74,0:05:23.82,Default,,0000,0000,0000,,
Dialogue: 0,0:05:23.82,0:05:29.98,Default,,0000,0000,0000,,
Dialogue: 0,0:05:29.98,0:05:35.36,Default,,0000,0000,0000,,
Dialogue: 0,0:05:35.36,0:05:38.80,Default,,0000,0000,0000,,
Dialogue: 0,0:05:38.80,0:05:42.16,Default,,0000,0000,0000,,
Dialogue: 0,0:05:42.16,0:05:47.40,Default,,0000,0000,0000,,
Dialogue: 0,0:05:47.40,0:05:51.80,Default,,0000,0000,0000,,
Dialogue: 0,0:05:51.80,0:05:54.35,Default,,0000,0000,0000,,
Dialogue: 0,0:05:54.35,0:05:58.52,Default,,0000,0000,0000,,
Dialogue: 0,0:05:58.52,0:06:01.82,Default,,0000,0000,0000,,
Dialogue: 0,0:06:01.82,0:06:04.30,Default,,0000,0000,0000,,
Dialogue: 0,0:06:04.30,0:06:10.56,Default,,0000,0000,0000,,
Dialogue: 0,0:06:10.56,0:06:15.79,Default,,0000,0000,0000,,
Dialogue: 0,0:06:15.79,0:06:21.00,Default,,0000,0000,0000,,
Dialogue: 0,0:06:21.00,0:06:25.03,Default,,0000,0000,0000,,
Dialogue: 0,0:06:25.03,0:06:29.85,Default,,0000,0000,0000,,
Dialogue: 0,0:06:29.85,0:06:31.90,Default,,0000,0000,0000,,
Dialogue: 0,0:06:31.90,0:06:33.92,Default,,0000,0000,0000,,
Dialogue: 0,0:06:33.92,0:06:36.40,Default,,0000,0000,0000,,
Dialogue: 0,0:06:36.40,0:06:38.16,Default,,0000,0000,0000,,
Dialogue: 0,0:06:38.16,0:06:41.70,Default,,0000,0000,0000,,
Dialogue: 0,0:06:41.70,0:06:46.45,Default,,0000,0000,0000,,