6 ms·

The third phase trial was double-blinded and when they unblinded it, it turned out that of all the people (170 persons) who got infected, only 5% (8 persons) we

• bosie 6y ago
  that's not what your links says nor what pfizer tested/claims? pfizer didn't test for infections, they tested for symptoms. Pfizer doesn't know if the infection rate is changed (could be more, could be less, who knows)
  • _Microft 6y ago
    I phrased that incorrectly indeed.