"Association Between Efavirenz-Based Compared With Nevirapine-Based Antiretroviral Regimens and Virological Failure in HIV-Infected Children" 
JAMA  May 1
http://jama.jamanetwork.com/article.aspx?articleid=1682940 
"Conclusions and Relevance  Among children aged 3 to 16 years infected with HIV and treated at 
a clinic in Botswana, the use of efavirenz compared with nevirapine as initial antiretroviral  
treatment was associated with less virological failure. These findings may warrant additional 
research evaluating the use of efavirenz and nevirapine for pediatric patients."


"Use of Azithromycin and Death from Cardiovascular Causes"
NEJM May 2 http://www.nejm.org/doi/full/10.1056/NEJMoa1300799?query=featured_home
"CONCLUSIONS

Azithromycin use was not associated with an increased risk of death from cardiovascular causes in a general population of young and middle-aged adults. (Funded by the Danish Medical Research Council"