Analyse @drkalai61's tweets
@drkalai61
| 2,007 followers
Irrespective of past infection, #COVID19 vaccine second #booster doses provided additional protection over first booster doses against COVID19 mortality for high risk adults in #Omicron period. @ICR_NIH @KKMPutrajaya
#epitwitter #scicomm https://t.co/EGoV2692Ns
#epitwitter #scicomm https://t.co/EGoV2692Ns