Hello @Suwal
As our members have said, h
ormone-blocking therapies (tamoxifen, letrozole, anastrozole and exemestane) do not affect the immune system. Im not sure of what other treatments you have had, but if you are concerned you can always check with your specialist or call our helpline on 1800 500 258.
BCNA have added some new articles to the My Journey online tool regarding Covid19 that you may like to view and I have sent you this article
https://myjourney.org.au/article/3158 We are keeping this information updated on a regular basis.
Best wishes