Letter to the Editor: The efficacy of BNT162b2 (Pfizer-BioNTech) and CoronaVac vaccines in patients with cancer.

We were very intrigued to read Simsek's 1 research article. Even tough, the article added an important contribution to the literature by indicating the efficacy of the Covid-19 vaccines in cancer patients, there are a couple of flaws needed to be addressed before making interpretations. This article is protected by copyright. All rights reserved.