Researchers have developed vaccines against influenza A (H1N1), which is a threat to human health  Although these vaccines are effective, researchers at a university have found that drugs that inhibit certain enzymes, such as aspirin and hydroxyphenylacetamide, can affect the effectiveness of the vaccine
the researcher said if you take aspirin or acetaminophen, then you will not produce a good antibody response after vaccination
Xiao Zhang did not take aspirin or acetaminophen.