Word: virus
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...school time for much of the U.S. this week, as millions of students bustled into classrooms to start the new year. But compared with school years past, this academic season has been decidedly more fraught, since it marks what could be the full-scale return of the H1N1 influenza virus...
...Science study also provided the first estimate of the person-to-person transmissibility of H1N1. The researchers calculate that every person infected by the virus will go on to infect 1.3 to 1.7 other people on average. (That number will probably be higher for schoolchildren - in one outbreak at a private school in New York City in the spring, each sick student infected 2.4 classmates.) As flus go, that makes H1N1 more transmissible than most - on par with the moderate 1957 Asian flu pandemic - which makes it particularly important to get a large chunk of the population vaccinated early...
...Medicine on Thursday, researchers in Australia and Britain reported the early findings of their H1N1 vaccine studies. Preliminary data from the Australian trial showed that 21 days after getting one shot, 96% of the 240 trial volunteers ages 18 to 64 generated an impressive amount of antibodies to the virus. The results were "unanticipated," according to the authors; health officials had expected that people would need two doses of the vaccine for full protection because H1N1 is a new flu virus to most of the population...
...quickly, and we might be able to stifle the disease in its earliest stages. But even if the vaccines arrive too late to stop H1N1 from spreading rapidly now, they can help build population-level resistance to the disease going forward. The Science study estimates that without vaccines, the virus could infect as many as 2.2 billion people worldwide over the course of the year. "The virus will be with us for many years to come in many forms," said Longini. "It's important to start building up resistance...
...been modeling the dynamics of H1N1 transmission in households, said he is looking forward to working in the new organization. One of his recent projects for the Center looked into the benefits of dispensing the common antiviral drug Tamiflu to individuals at high-risk of getting the H1N1 virus before flu cases begin coming in droves. “I hope that our results will soon be used to advise policy makers to make decisions,” Goldstein said. But the HSPH center aims to reach even farther, according to Lipsitch. He said that he hoped the Center will...