The Omicron variant of COVID-19 is killing people across the globe and should not be dismissed as mild, the World Health Organization insisted Thursday.
Chile will start administering a fourth COVID vaccine dose to people with weakened immune systems from Monday, President Sebastian Pinera said, as the country recorded its […]
Women receiving one dose of a COVID-19 vaccine during a single menstrual cycle had an increase in cycle length of nearly one day, compared to unvaccinated […]
Children conceived through medically assisted reproduction are more likely to be born premature and are at greater risk of being born small than naturally conceived babies, […]