Whether Covid-19 was unleashed by a laboratory mishap or spilled over from animals remains an enduring, fiercely contested ...

Built in just days as Covid-19 cases spiked in Wuhan in early 2020, the Huoshenshan Hospital was once celebrated as a symbol of the Chinese city's fight against the virus ...

While they’re convenient when you’re on the go, hand sanitizers will not kill norovirus, per the CDC. “The alcohol in them ...

Out of 301 samples of wastewater tested on 29 flights to Kuala Lumpur in Malaysia, around 288 of them tested positive for ...