We are observing mutations, and there’s a number of preprints out there describing mutations along the spike protein. I’m not sure which of the 100 vaccine cand

We are observing mutations, and there’s a number of preprints out there describing mutations along the spike protein. I’m not sure which of the 100 vaccine candidates would continue to work if that were the case, but perhaps it will become like the flu where we need a different vaccine per strain and that sometimes the vaccine only provides partial protection