He points to progress made on a salmonella vaccine.
他指出了沙门氏菌疫苗的进展。
2
Dr Cohen points to novel adjuvants (ingredients that increase the body’s response to vaccines) as one of the reasons why the vaccine works when many earlier versions failed.
Primary immunogenicity end points were the rates of 4-fold or greater increases in serum hemagglutinin inhibition antibody to each of the 3 vaccine strains before and 28 days after inoculation.