71.   Some lawmakers are pressing for tax credits to encourage biotechnology and pharmaceutical companies to develop a vaccine against AIDS and other deadly infectious diseases.

72.   So the incentive for developing a vaccine against the epidemic remains strong.

73.   Some are trying to develop a vaccine to prevent infection.

74.   That proved that it was possible to develop a vaccine for the virus, which was becoming a national epidemic.

75.   The Boca Raton holding company owns a Chilean operation that makes fish meal and is developing poultry vaccines, among other things.

76.   The cat vaccine was developed using virus collected from animals that had been infected for years without showing symptoms.

77.   The company announced today it had formed a licensing agreement with SmithKline Beecham to develop vaccines.

78.   The contract is a significant boost to Acambis, which is developing vaccines against several diseases but does not yet have a product on the market.

79.   The finding strengthens hopes that, eventually, scientists will develop a vaccine against the human immunodeficiency virus, which causes AIDS.

80.   The money would be used as an incentive to develop vaccines against malaria and tuberculosis, and to help people who have AIDS.