Researchers from King’s College, London and the Francis Crick Institute undertook a real-world study on 205 cancer patients and found that a single dose of the Pfizer-BioNTech COVID-19 vaccine protected 39% of persons with cancer when compared with 97% of those who had no cancer related diseases.   The researchers concluded that a 12-week … Continue reading King’s College, London study finds one dose of COVID-19 vaccine is less effective in cancer patients, could affect millions