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 ...

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 ...

With the proposed connection between the Zika virus and Brazil's outbreak of microcephaly in new born babies looking increasingly tenuous, Latin American doctors are proposing another possible cause: ...