How the time delay in recognition of diseases like the nipah virus can result in widespread secondary exposure to others including doctors and health staff. (one paragraph)

Time delay in recognition of diseases like the Nipah virus is crucial for it can cause widespread secondary exposure. The more the virus will be lately discovered, the more it will affect animals and humans rampantly because virus transmission is much faster than bacterial exposure. Therefore, a time delay in identifying the cause of the virus and knowing its mode of transmission will result to the immediate spread of the virus and would cause secondary exposure to others and eventually became widespread or it will lead to an outbreak.  

answercertified;

the answer is d its the most logical and accurate out of them all : )