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Flu shot may be more effective than nasal vaccine, study says
When it comes to vaccinating yourself -- or your kids -- against the flu, there are two options in the United States: a traditional shot or a nasal spray.
How effective are earthquake early warning systems?
Earthquake early warning detection is more effective for minor quakes than major ones.
NA Chairwoman hails Vietnam-Netherlands ties as typical, effective
National Assembly Chairwoman Nguyen Thi Kim Ngan has described Vietnam-Netherlands ties as typical and effective relations between Vietnam and a European nation.
Insecticide coating effective against mosquitoes
A new method of applying insecticide to netting has proved 100% effective against some strains of mosquito, an international study reports.
