Yellow fever death toll surpasses 200 in Brazil
Since an outbreak in December 2016, yellow fever has killed 202 people, 148 of whom were in the southeastern state of Minas Gerais.
Sat Apr 08 2017
WHO calls emergency meeting on yellow fever outbreak
The World Health Organization will hold an emergency meeting Thursday on the yellow fever outbreak that has hit hardest in Angola but risks spreading further if vaccinations are not ramped up.
Wed May 18 2016
Flu vaccine more effective for women than men: study
The flu vaccine is generally less effective for men than for women, scientists said in a study, tracing the effect to higher levels of testosterone that curb the immune response.
Wed Dec 25 2013