Nastech Pharmaceutical in Bothell, Wash. is studying a nasal spray form of apomorphine, which may work both above the neck and below the waist.

FORBES: Health

For the nasal spray form of the vaccine, there is evidence of high protection for children aged 6 months to 7 years, inconsistent evidence of protection in adults 60 years of age and older, and a lack of evidence of protection in individuals between 8 and 59 years of age, the study says.

CNN: Flu vaccine attitudes abroad differ from U.S.

In the minutes of its latest meeting the JCVI says the vaccine has "a good safety profile" and may be more widely accepted by parents and children because it is given in the form of a nasal spray.

BBC: Flu vaccines for all children

In China, they use artillery shells, rockets and airplanes to spray existing cloud systems with silver iodide, a compound that triggers moisture in the clouds to form ice crystals, which then fall to earth as snow or rain.

WSJ: Blizzard Renews Storm Over China Making Snow