Emergent BioSolutions focuses on the provision of preparedness and response solutions that address accidental,deliberate, and naturally occurring public health threats (PHTs) in the United States. Its products address PHTs, which include chemical, biological, radiological, nuclear, and explosives; emerging infectious diseases; travel health; and emerging health crises and acute/emergency care. The company also provides NARCAN, a nasal spray for the emergency treatment of known or suspected opioid overdose.