The other staff continued working in the camp, and non-e examined positive, as assessed by screening three consecutive nasopharyngeal swabs acquired over a 1-week period. General, 11 of the 216 personnel were infected . Outbreak 2 In a military infirmary, 6 of 47 healthcare workers tested positive from June 24 to 25, 2009. Because health care workers were essential for the medical center to operate, oseltamivir prophylaxis was administered to the rest of the 41 employees, who continued to function while wearing personal protective gear .The first writer wrote the manuscript and vouches for the completeness and accuracy of the info and the analyses and for the fidelity of this report to the trial protocol, which is obtainable with the full text of this article at NEJM.org. Study Population We enrolled individuals with long lasting atrial flutter or fibrillation, as documented on electrocardiography performed both within 14 days before randomization and 6 or more weeks beforehand, who had no proof intervening sinus rhythm and for whom there is no intend to restore sinus rhythm.