light vaginal bleeding; fatigue; this is a spontaneous report received from a contactable reporter(s) (consumer or other non hcp) from the -web. regulatory number: nl-lrb-00737074. a 72 year-old female patient received bnt162b2 (comirnaty), administration date 15dec2021 (lot number: 1f1008a) as dose 3 (booster), single for covid-19 immunisation. the patient's relevant medical history and concomitant medications were not reported. vaccination history included: comirnaty (dose 1, single, strength: 0.3 ml), administration date: 22apr2021, for covid-19 immunisation, reaction(s): "tired the next day", "stiff arm"; comirnaty (dose 2, single, strength: 0.3 ml), administration date: 27may2021, for covid-19 immunisation, reaction(s): "none". the following information was reported: postmenopausal haemorrhage (medically significant) with onset 19dec2021, outcome "recovered" (20dec2021), described as "light vaginal bleeding"; fatigue (non-serious) with onset 19dec2021, outcome "recovered" (20dec2021), described as "fatigue". additional information patient had no previous covid-19 infection. adr: was a few drops no follow-up attempts are possible. no further information is expected.; sender's comments: linked report(s) : nl-pfizer inc-202200288083 the same patient/reporter, different dose/events