Controlled infection of cows in a high-security Kansas lab sheds light on the H5N1 transmission route, while experts call for ‘mass surveillance’ to stop an outbreak in Europe
An individual from Missouri with no known exposure to risk factors got infected, and a close contact developed symptoms but was not tested. The second case was not disclosed until later, drawing criticism over authorities’ lack of transparency
Infections are increasing, but experts have detected no greater severity in symptoms or resistance to vaccines in the most recent strains circulating worldwide
Known on the streets as tranq, it is an animal sedative that causes severe skin wounds. Dealers mix it with the opiate to make it cheaper and to prolong its effects
Fentanyl is the deadliest drug in the U.S. today. The CDC estimates that 71,000 people died from overdosing on synthetic opioids such as fentanyl in 2021, up from almost 58,000 in 2020