they're the variables that make or break your experimental design
Edited by Professor Boris Zhivotovsky Supplementary information Rights and permissions Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made
Archived from the original on 30 October 2015
They found that healthy adults who receive the standard influenza vaccine rather than no vaccine probably experience less influenza, from just over 2% to just under 1%. This is an absolute risk reduction of only 1 in 100
Statements Author contributions AP-L: Conceptualization, Investigation, Visualization, Writing original draft, Writing review & editing