Approximately 40% of participants did not seroconvert or achieve a conservative neutralization threshold post-vaccination.

Giardiasis is one of the most common intestinal parasitic infection among children ... and comparing with the effect of metronidazole, a study was undertaken over a 15 month period on 83 patients ...

A review and meta-analysis of data from 28 countries found significant increases in resistance to clarithromycin, ...