Health is wealth? Polymarket and Kalshi now host bets on measles and other US health crises

Experts warn of risks of platforms hosting bets tied to US public health – including vaccine mandates and drug trials The sign was pasted on a construction fence next to an elementary school in the Brooklyn borough of New York City. “Vaccines,” it proclaimed in bold capital letters against a blue star-spangled background – appearing, at first glance, to be like any other public health message on the importance of getting vaccinated. But at the bottom of the sign, in smaller letters, it read: “