Vaccine scientists say their "Holy Grail" is to stimulate immunity that lasts for a lifetime. Live viral vaccines such as the smallpox or yellow fever vaccines provide immune protection that lasts several decades, but despite their success, scientists have remained in the ...More
A five-week old infant most likely contracted a vaccine strain of yellow fever virus through breastfeeding, according to a case report published in the Canadian Medical Association Journal (CMAJ) "Until recently, avoidance of vaccination of breastfeeding women with yellow ...More