[originaltext] (1) The World Health Organization has declared the spread of

(1) The World Health Organization has declared the spread of mosquito-borne Zika virus a global public health emergency. On Monday, the global health agency held an emergency meeting in Geneva after warning the public that Zika is spreading rapidly across the Americas.
    (2) Last week, health officials confirmed one case of the virus in Denmark, 5 in Great Britain, 3 cases in the United States and 18 in its territory of Puerto Rico. The global health organization also predicts that Zika could infect as many as four million people in the Americas this year.
    The symptoms from the virus are minor. The symptoms are flu-like but the results for some infected with Zika—expecially pregnant women—are devastating. The Zika virus gets its name from a forest in Uganda where the virus was first identified in 1947. The virus is known to exist in tropical areas like Africa, the Americas, Southern Asia and Western Pacific.
1. What has been declared a global public health emergency?
2. How many people were proved to be infected in the UK?