GENEVA (Reuters) - Safer syringes could avert 1.3 million deaths a year, especially in poorer countries where 40 percent of all injections involve unsterilized reused needles, the World Health Organisation (WHO) said on Tuesday.In a statement, the U.N. agency linked 33 percent of new hepatitis B infections and 2 million new cases of hepatitis C each year to unsafe injections and needle-stick injuries by health workers.