To ensure that the most appropriate drug is being used to treat a pathogen, which would need to be done first?

Obtaining sensitivity testing

Explanation:

Pathogens may be defined as the organisms that causes diseases in other animals. The organisms that can acts as pathogen are bacteria, virus, fungi and plasmodium.

The drug preparation against the pathogens requires the sensitivity testing. This is done on the cultured microbes to evaluate the pathogen and to understand how might the different drug is capable to control the population of the particular organisms.

Thus, the answer is obtaining sensitivity testing .

meteorologists would compare a new weather map with one 24 h old to see how fast a front is moving.

economic impact of malaria is estimated to cost africa $12 billion every year. this figure factors in costs of health care, absenteeism, days lost in education, decreased productivity due to brain damage from cerebral malaria, and loss of investment and tourism.