english teacher talking aboout covid vaccine

Hello people! I want to talk to you about covid-19 vaccine okay, the one developed by University of Oxford together with AstraZeneca () company, alright? recently they publish the... the results... ...for the... so the overall eficacy of the vaccine and... the number was 70% Now, compared to the other two, with numbers in the region of 90-95% this would path ()? however... it turn out they made a mistake with about 3000 people volunteers and... because they gave to this people a lower dous... () of the vaccine so, basically they gave the same amount of liquid but there was less amount of vaccine in the liquid it was diluted so... this was a mistake but it turns out that when you do that in the first dose and then you... you give the full amount on the second it looks like the overall efficacy rises from 70 to 'round 90% now taking into account that this vaccine is cheaper than the other two between the region of 2-3 euros 'round and 20 or whatever and... that it can be stored in fridgers... ...alright... at fridge temperature, around 8 degrees positive, (?) than minus 20 and minus 80 so, of course, all these two caracteristics... ...make this vaccines much better so, the only problem would be the lower efficacy but, if it turns out that the overall efficacy... ...is actually in the region of 90%... ...then, that's really good so, it looks like they are going to make new trials now but then, of course some people are saying: "ahh, if they are making new ones... ...is beacuse they didn't do the right the first time... ...or someone" so, it's tricky.