Legitimate research with major hurdles: new malaria vaccine candidate

Hoffman says that he hopes to have a vaccine licensed within four years. The trial now needs to be repeated and extended in regions where malaria is rampant to test whether it provides protection against different strains of the parasite than that used in the vaccine, and to see how it performs in different age groups, including young children. The first trials will be carried out at the Ifakara Health Institute in Tanzania.

Even if the vaccine is shown to be highly effective in the field, logistical difficulties might limit its applicability. In mass vaccination campaigns, hundreds of people are vaccinated within minutes, so vaccines are usually given orally or by injection into or just under the skin. Intravenous injection is more cumbersome. “It’s very unlikely to be deployable in infants or young children,” argues Adrian Hill, a malaria researcher at the Jenner Institute in Oxford, UK.

via Zapped malaria parasite raises vaccine hopes : Nature News & Comment.

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