Pharmaceutical giant Merck said Monday that it was discontinuing the development of its two Covid-19 vaccine candidates after early clinical trial data showed an “inferior” immune response. Merck
President Joe Biden signed restrictions Monday on travel to the United States to mitigate Covid-19 transmission. The ban prevents most non-U.S. citizens from entry if they have recently
Moderna is tweaking its coronavirus vaccine to make it more effective against emerging variants of the virus, the company announced Monday. The upgrades will be designed to better
A team of scientists from the World Health Organization are finally in China to investigate mysteries of the pandemic more than a year after it broke out: where
In late December, the West African nation of Guinea injected 25 of its senior officials with doses of the Russian Sputnik V COVID-19 vaccine. Unshaken by safety concerns,
Charlee Roos had two screens propped up on her desk: an iPad and a laptop. On one, the 15-year-old was attending her remote high school classes. On the
LONDON — The United Kingdom is one of the coronavirus death capitals of the world. On Wednesday, the country saw its number of recorded Covid-19 fatalities rise by
British Prime Minister Boris Johnson suggested Friday that the coronavirus variant discovered in the U.K. may be deadlier than other versions of the virus, though public health officials
U.S. regulators have approved the first long-acting drug combo for HIV, monthly shots that can replace the daily pills now used to control infection with the AIDS virus.
The new director of the Centers for Disease Control and Prevention said Thursday that the Covid-19 vaccine would not be widely available by late February as the Trump
