Sentence examples similar to has been effective until now from inspiring English sources

They have been effective, perhaps too effective.

*** Perhaps the most astonishing thing about Ebola is that, despite it first being identified in the 1970s, and despite regular outbreaks, so little work has been done until now to combat it – no effective drugs, no vaccine, just the standard procedures of isolating patients, not touching them, regular dousing in chlorine bleach for the uninfected.

Evidence has been sparse until now.

Regarding S. thirkei, no activity has been evaluated until now.

For O3, only acute mortality has been measured until now.

It's amazing how effective this has been until now, given that it's obvious nonsense but it's possible that we're finally reaching a critical mass of people unwilling to be blinded.

Given that CBT is the only effective treatment for CFS and has been scarcely available until now, this is relevant information in favor of nationwide implementation.

However, modeling and theoretical prediction of this process has been still lacking until now.

This has been difficult to comprehend clinically until now.

Until now, there has been no effective way to cut a clip from a song available digitally as an MP3 file and put it on a cellphone.

Until now, there has been no effective method to reduce seizure recurrence after the first unprovoked seizure.