His team is also attempting to produce new food oils and make synthetic parts of every known influenza virus.

VOA: special.2010.07.20

Swine flu is a respiratory sickness caused by an influenza virus that mainly infects pigs.

VOA: special.2009.04.29

More than twenty countries have found cases of the new H1N1 influenza virus.

VOA: special.2009.05.06

But experts say it has become the leading influenza virus in all countries.

VOA: special.2009.11.11

The current spread of a swine influenza virus has added to these concerns.

VOA: special.2009.07.14

"It is quite possible with an influenza virus, a pandemic influenza virus that it gets worse over time.

VOA: standard.2009.04.30

The World Health Organization will not declare an influenza pandemic unless a virus becomes widespread in at least two areas of the world.

VOA: special.2009.05.06

Health officials in Mexico and the United States were puzzled by a virus that combined elements of swine, avian and human influenza.

VOA: standard.2009.12.25

The new virus led to patterns of death and illness not normally seen in influenza infections.

VOA: standard.2010.04.29

"There are parts of the flu virus that could be the target of what we would hope eventually could be a universal influenza vaccine."

VOA: standard.2010.07.21

Mexico has the highest number of deaths and infections of the flu, which is caused by a new strain of the influenza A H1N1 virus.

VOA: standard.2009.05.08

The news reports are likely to further crimp Mexican tourism, already in a downturn after the emergence of the swine influenza A-H1N1 virus in Mexico in April.

VOA: standard.2009.06.09

Chan notes no one can predict what will happen later in the year when the southern hemisphere enters its influenza season and the virus spreads more rapidly throughout the population.

VOA: standard.2010.01.18

Head of the International Red Cross Federation's Influenza team, Robert Kaufman, says the impact of a novel virus on a community without immunity is not just about the number of illnesses and deaths.

VOA: standard.2009.09.04

Other infectious disease experts,however, have insisted Australia's is over-reacting to the outbreak of the A-H1N1 virus, insisting that,so far, the disease is no worse than other strains of influenza that kill hundreds of Australians every year during the colder winter months.

VOA: standard.2009.05.30

"It does not really matter because in the best case scenario we have today,we will still have a moderate virus that is projected to cause several million deaths extra deaths than the usual influenza annual mortality, which means that even in the best-case scenario, we do have an emergency on our hand,"

VOA: standard.2009.09.04