minus-squarehamFoilHat@lemmy.worldtoWorld News@lemmy.world•Experts say a twice-yearly injection that offers 100% protection against HIV is 'stunning'linkfedilinkEnglisharrow-up17·2 months agoBi-annually has the problem that it can mean twice a year or every two years. linkfedilink
Bi-annually has the problem that it can mean twice a year or every two years.