Teenage students in Beijing, Shanghai and Guangdong will be at the front of the line when the government starts vaccinating people against the H1N1 flu strain, Health Minister Chen Zhu announced yesterday as he unveiled the guiding principles of the government's inoculation plan.

The nation's top drug authority ordered the release of the first batch of the H1N1 vaccine yesterday, making China the first country in the world to be ready with a vaccine.

The first injections will be administered during October.