Why It Matters: R.S.V. can be lethalThe F.D.A. estimates that R.S.V. is associated with 6,000 to 10,000 deaths each year in adults 65 and older and at least 60,000 hospitalizations in that age group. It is a leading killer of children worldwide.This winter, R.S.V. contributed to the “tripledemic” also involving flu and Covid cases that…
