Schools will not reopen until January 11 in order to delay for as long as possible the return to classrooms after the family gatherings over Christmas.
Spanish Prime Minister Pedro Sanchez has suspended all public activities and will quarantine until Dec.24 after being in contact with French President Emmanuel Macron, who has tested positive for COVID-19.
Sanchez and Macron met on Monday in Paris. Video footage of Macron welcoming the Spanish prime minister at the Elysee Palace showed both wore masks and did not shake hands.
Under the terms of the agreement, Reig Jofre said it will be responsible for the formulation, filling and packaging of the vaccine, while Janssen will handle distribution.
Shares in the Spanish group surged 17% in early trade to 4.41 euros ($5.35) a share.
"There could have been about 200 people (in the warehouse)," La Vanguardia quoted the mayor as saying, adding the number of people who stayed there fluctuated from day to day.
The Spanish government intends to vaccinate between 15 and 20 million people against the coronavarius by May or June next year, Prime Minister Pedro Sanchez said on Friday.