People with cancer have adequate immune, protective responses to COVID-19 vaccines without having more side effects than the general population, five separate scientific teams reported at a European oncology meeting this week.
In a study involving 44,000 recipients of two doses of Pfizer / BioNTech, researchers found no change in side effects experienced by nearly 4,000 participants who previously had or now had cancer, reports usnews.
In another study, researchers studied 791 cancer patients who received two doses of Moderna. 28 days after the second dose, adequate blood antibody levels were found in 84 percent of cancer patients receiving chemotherapy, 89 percent of patients receiving chemotherapy in combination with an immunotherapy drug, and 93 percent of patients receiving chemotherapy chemotherapy only.
These results are good when compared to antibodies measured in people who do not have cancer, according to a spokesman for the European Society of Medical Oncology (ESMO), dr. Antonio Passar.
“The high efficacy rates of the vaccines observed in the study, regardless of the type of cancer treatment, represent a strong and encouraging message to patients and their physicians,” he said in a statement.
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