text: The polymerase chain reaction test and the growth of the virus in specific cell cultures allow the identification of the smallpox virus.
option_0: Smallpox laboratory tests
option_1: Chickenpox physical examination
option_2: Smallpox physical examination
option_3: Measles physical examination
option_4: Hand-foot-and-mouth disease laboratory tests
option_5: Roseola physical examination
option_6: Coronavirus physical examination
option_7: Chickenpox laboratory findings