A report making the rounds online claims that a larvicide called pyriproxyfen -- not the Zika virus-- is behind the recent surge in the cases of microcephaly in Brazil. The claim has fueled conspiracy ...

What Is K9 Advantix II (Imidacloprid/Permethrin/Pyriproxyfen Topical)? K9 Advantix II (other brand names: Activate II, Provecta Advanced) is a combination medicine ...

An Argentinian physicians group claims that a larvicide, not Zika virus, is responsible for an outbreak of infants born with small heads in Brazil. While some local governments in Brazil have stopped ...

A report last week has raised questions about a pesticide used to kill mosquito larvae, linking its use to the increase in cases of microcephaly in Brazil. But researchers say that's an unlikely ...