31.   Advocates for more funding have noted that research on rare diseases has the potential for discoveries that can help uncover information on other diseases that are more common.

32.   All the other vaccines to treat rare infectious diseases are designated for military personnel.

33.   But for a drug company, a one-time cure for a rare disease might offer less chance of profit.

34.   But for a month the rare disease has confounded all their expectations.

35.   But McKinnell said companies would be willing to make fixed-price bids on contracts to develop vaccines for rare diseases like Ebola virus.

36.   But, as the academy has pointed out, this is a rare disease, and the risk to an uncircumcised man is low.

37.   Consider that more Americans abroad die in traffic accidents than from any rare disease.

38.   Controversy has swirled around whether University of Pennsylvania scientists fully informed Gelsinger, who suffered from a rare hereditary disease, about the risks of the treatment.

39.   Creutzfeldt-Jakob disease is a rare nervous disease believed by some to be caused either by a virus or a protein called a prion.

40.   Dense with text, their ads often evince all the charm of a treatise on some rare tropical disease.