He says the companies that make vaccines cannot really do much when they have a virus that does not grow well.

VOA: special.2009.11.24

But George Dimopoulos says malaria needs to be attacked with drugs,with vaccines,with bed nets with whatever researchers can find.

VOA: special.2009.12.22

This has led to greater use of monovalent vaccines to protect against either type one or type three polio.

VOA: special.2010.01.18

They hope that future synthetic cells can make useful bacteria for products like bio-fuels or vaccines, and to clean up polluted water.

VOA: special.2010.07.20

The GAVI Alliance says almost two million children a year die from diseases that vaccines can prevent.

VOA: special.2011.06.15

Viruses change,or mutate, so flu vaccines must be reformulated each year to target the most common threats.

VOA: special.2009.03.04

It can be given to children as young as one, which is earlier than vaccines currently used to fight meningitis epidemics in Africa.

VOA: special.2010.12.15

The private-public partnerships are designed to increase the availability of low cost vaccines in poor areas.

VOA: special.2010.03.29

She explains that health workers have been using what are called trivalent vaccines in some places.

VOA: special.2010.01.18

"The biggest challenge of getting life saving vaccines to poor countries is that there's no market.

VOA: special.2010.03.29

These experimental AIDS vaccines are the first from Africa to reach testing in people.

VOA: special.2009.07.29

The process may help build new vaccines much faster than is done now.

VOA: special.2010.07.20

Scientists are working on vaccines to protect against the new virus.

VOA: special.2009.06.10

Currently,most vaccines must be kept between two and eight degrees Celsius.

VOA: special.2010.02.24