An unidentified San Diego resident may be infected with the same rare, aggressive and highly drug-resistant strain of HIV found last week in a New York City man who has rapidly become ill with AIDS, health officials said yesterday. "(The local person's) HIV has a similar molecular makeup as the patient in New York City," said Dr. Nancy Bowen, the San Diego County public health officer who held a press conference about the finding yesterday afternoon in San Diego. It's important to notify the public about a new and possibly supervigorous strain of HIV so people can take extra precautions,...