"North Carolina Gov. Pat McCrory's administration on Tuesday again lashed out against a state toxicologist who said in sworn testimony he worried that state officials cleared well water near Duke Energy coal ash pits as safe to drink despite a chemical known to cause cancer."

"Drinking water supplies serving more than six million Americans contain unsafe levels of a widely used class of industrial chemicals linked to potentially serious health problems, according to a new study from Harvard University researchers."

"A Texas baby born with Zika-related birth defects has died, officials said Tuesday, the first death related to the virus in the state."

"Rising global temperatures are clearly linked to increasing waterborne food poisoning, particularly from eating raw oysters, along with other nasty infections, a new study shows."

"New federal regulations for electronic cigarettes go into effect Monday, requiring greater scrutiny of the products and making it more difficult for minors to vape."

"US Food and Drug Administration finds ‘no significant’ environmental impact of experimental release of insects after 15 Zika infections were reported in Miami".

"KINSHASA, Congo — As a yellow fever outbreak in central Africa exploded, 1 million vaccines disappeared in Angola. Thousands more vaccinations were delayed when accompanying syringes got waylaid. Ice packs to keep the shots potent went missing. And while the epidemic of the hemorrhagic fever spilled across international borders, a senior outbreak expert at the World Health Organization acknowledged their response had "lagged" for months."

"The City of Montreal is spending hundreds of millions of dollars to replace lead pipes that deliver water to homes."

"One day after U.S. health officials announced an early start to a clinical trial to test a Zika vaccine in humans, researchers reported in the journal Science that three types of vaccines designed to block the virus all worked to perfection in monkeys."

"An anthrax outbreak in remote western Siberia has led to the hospitalization of at least 90 people in the Arctic town of Salekhard, with at least 20 confirmed cases of the illness. One person, a 12-year-old boy, has died from anthrax according to the TASS News Agency and other media reports."