H7N9 is a bird flu strain of the species Influenza virus A ( avian influenza virus or bird flu virus ) .

H7N9 is a bird flu strain of the species Influenza virus A ( avian influenza virus or bird flu virus ) .

H7N9 is a bird flu strain of the species Influenza virus A ( avian influenza virus or bird flu virus ) .

An H7N9 virus was first reported Reporting to have infected humans in March 2013 , in China .

A 5th epidemic of the H7N9 virus began Process_start in October 2016 in China .

The CDC estimates that the H7N9 virus has the greatest potential compared with other influenza A viruses to cause Causation a pandemic , although the risk is low , because like other type A viruses , it is not easily transmitted between people in its current form .

The World Health Organization ( WHO ) has identified Check H7N9 as `` ... an unusually dangerous virus for humans . ''

H7N9 virus does not kill Killing poultry , which makes Causation surveillance much more difficult .

This would create Creating a contingency Warning in which the National Security Council struggles to determine both the origin of the attack as well as deal with containing the spreading virus .

On the basis of 4,000 confirmed cases and over 30,000 suspected cases , the Caribbean Public Health Agency ( CARPHA ) declared Expressing_publicly a Caribbean-wide epidemic Catastrophe of the virus in early May .