NBC: They do expect a good population of people to take it [vaccine], and have a response. They can't have everyone in the ER having that same reaction at the same time, so they are staggering it.

NBC: There are questions about the vaccine, will it alter your genetic code, will it do long-term damage to your health? To boots confidence, there are reports in the British media, that the Queen will herself get vaccinated. Not necessarily on the first day, but in the early days.