問題詳情

Here’s an idea whose time has come: A flu shot that doesn’t require an actual shot. Forthe first time, researchers have tested a flu vaccine patch in a human clinical trial and foundthat it delivered as much protection as a traditional jab with a needle. Doctors and publichealth experts have high hopes that vaccine patches will boost the number of people who getimmunized __18__ the flu.Seasonal influenza __19__ up to half a million deaths around the world each year,according to the World Health Organization. A team led by Georgia Tech engineer MarkPrausnitz has come up with a(n) __20__ method that uses “microneedles.” These tiny needlesare so small that 100 of them, __21__ on a patch, can fit under your thumb. Yet they’re bigenough to hold vaccine for three strains of the flu.None of the study volunteers had serious side effects. The groups that got patches hadmild reactions that were not seen in the regular needle group; __22__, the volunteers in theregular needle group were more likely to experience pain. Overall, 70 percent of thevolunteers who got vaccine patches said they’d rather use them again than get a traditional flushot. The study authors declared it a success on all fronts.These early findings suggest the emergence of a __23__ new option for seasonalvaccination, and the biggest __24__ could be people in low- and middle-income countries,25__ flu vaccines are hard to come by. Reducing pain is nice, but other advantages－thepatch doesn’t generate sharp waste and is easier to transport－are even better.
18.
(A) from
(B) against
(C) with
(D) beyond

參考答案

答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

內容推薦

內容推薦