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I m so confuse with the results that announced by pfizer as there are 43000 people involving in the trail but why only 170 of them used the vaccine anyone of u can answer me this ?
43k participate, in this 43k, half of the ppl injected salt water, half injected vaccine. They wouldnt knw wat is injected to them. Out of this 43k ppl, 170 unlucky kena covid 19. From this 170 ppl, 5% (10 ppl) injected vaccine, the 95% (162 ppl) injected salt water. So from here, they claim 95% effective. This is wat i und, correct me if im wrong.
Need store under - 75degC, is this vaccine can be in liquid form even minus 75? How to inject if in solid form? Or need wait to ambient only inject? Confusing me..
炸彈, the lower the temperature like -70 degC and below it can keep longer like one month longest, but if ambient temperature only can keep for few hours. Only can inject in liquid form.
