Mega barf alert: FDA approves new flu vaccines made with dog kidney cells, insects 09 Feb 2013 Some researchers are focusing on the as-yet-unattainable ideal: a vaccine that would protect against all forms of the virus, with just one immunization every 10 years or so... In November, the Food and Drug Administration approved Flucelvax, manufactured by Novartis, the first U.S.-licensed flu vaccine that uses cell culture technology. The virus is grown in dog kidney cells, instead of eggs. The cells can be frozen, ready to go quickly into vaccine production if a new virus is discovered created. In January, the FDA approved Flublok, by Protein Sciences. It is made in insect cells using a protein from the virus -- hemagglutinin, instead of a live virus.