BBCNEWS BBC News July 18, 2021 00:15:00
Side effects? well, the trial that will run in _ side effects? well, the trial that will run in the - side effects? well, the trial that will run in the uk - side effects? well, the trial that will run in the uk is - that will run in the uk is probably the best at addressing this, and it showed that if you have a first dose of pfizer, and the second dose of pfizer, that gave you a very short period of time the best antibody levels, the second best was the first dose astrazeneca, then pfizer, the second dose. third—best, pfizer, followed by astrazeneca, and fourth was astrazeneca, and fourth ...
Source: archive.org