@@taokwokcheung8714 As a nurse I like to share the following: “Do try to ask your doctor to prescribe you the vaccine “Prevnar 20” to prevent pneumonia! In Canada one has to pay $180 for it. It’s worth getting it because any respiratory virus including COVID or flu may lead to pneumonia. Now all infants in Canada get it as one of the childhood immunization. This vaccine is believed to “covers one for a life time”!