New deadly coronavirus from bats threatens global health with rapid spread.
A new virus called Middle East respiratory syndrome coronavirus (MERS-CoV) has emerged in the Middle East, causing severe respiratory illness similar to SARS. It is closely related to bat coronaviruses. The first case was reported in Saudi Arabia in 2012, with 70 cases and 39 deaths since then. Recent evidence suggests possible human-to-human transmission. Research has provided insights into the virus's animal reservoirs, how it spreads, and potential treatments.