Blood donation organizations and blood banks have specific protocols and tests in place to ensure that donated blood is safe for recipients.

Epidemic and pandemic diseases are primarily different in terms of spread of an illness. An epidemic is limited to one specific region while a pandemic has a worldwide spread.

Zika Epidemic 2015- Present :Zika virus was first reported in Brazil. It became epidemic in February 2016. Group of scientists discovered temporal and geographical distribution of Zika virus from 1947 to Feb 2016.

Zika is transmitted almost exclusively by the Aedes mosquito, which is most active during daylight hours.