下一个covid booster 没那末容易了,买MRNA和PFE的要小心
需要一个randomized controll effiacy trial, 三期 effiacy trial
Urgent Need for Next-Generation COVID-19 Vaccines | JAMA | JAMA Network
需要一个randomized controll effiacy trial, 三期 effiacy trial
Urgent Need for Next-Generation COVID-19 Vaccines | JAMA | JAMA Network