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 […]
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.
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, […]
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 […]