At least two strains of virus exist: Variola virus, a solely human pathogen, is the causative agent of smallpox, which was deemed eradicated in 1980 by the world health organization (who), leading . Smallpox is a disease caused by the variola major virus. Smallpox, also called variola major, acute infectious disease that begins with a high fever, headache, and back pain and then proceeds to an eruption on the . Smallpox · smallpox is a highly contagious and sometimes deadly disease that is caused by · the variola virus emerged in human populations thousands of years ago .
It is caused by variola, a large and complex virus from the orthopoxvirus .
Some experts say that over the centuries it has killed more people than all other infectious . Three other members of this . Smallpox results from infection by variola virus (genus orthopoxvirus, family poxviridae). Smallpox · smallpox is a highly contagious and sometimes deadly disease that is caused by · the variola virus emerged in human populations thousands of years ago . At least two strains of virus exist: The virus can be transmitted: Variola virus, a solely human pathogen, is the causative agent of smallpox, which was deemed eradicated in 1980 by the world health organization (who), leading . Variola minor virus · absence of animal reservoir · absence of latent or persistent infections in humans (no healthy carriers) · easily and early recognition of . Smallpox is caused by infection with the variola virus. Smallpox is a disease caused by the variola major virus. Smallpox, also called variola major, acute infectious disease that begins with a high fever, headache, and back pain and then proceeds to an eruption on the . It is caused by variola, a large and complex virus from the orthopoxvirus . Directly from person to person.
Some experts say that over the centuries it has killed more people than all other infectious . Smallpox · smallpox is a highly contagious and sometimes deadly disease that is caused by · the variola virus emerged in human populations thousands of years ago . Smallpox is caused by infection with the variola virus. The virus can be transmitted: At least two strains of virus exist:
Directly from person to person.
Directly from person to person. Smallpox results from infection by variola virus (genus orthopoxvirus, family poxviridae). The causative agent of smallpox, variola virus, belongs to the genus orthopoxvirus, subfamily chordopoxvirinae, family poxviridae. Smallpox, also called variola major, acute infectious disease that begins with a high fever, headache, and back pain and then proceeds to an eruption on the . Three other members of this . Some experts say that over the centuries it has killed more people than all other infectious . At least two strains of virus exist: Smallpox is caused by infection with the variola virus. Smallpox · smallpox is a highly contagious and sometimes deadly disease that is caused by · the variola virus emerged in human populations thousands of years ago . Smallpox is a disease caused by the variola major virus. It is caused by variola, a large and complex virus from the orthopoxvirus . Variola minor virus · absence of animal reservoir · absence of latent or persistent infections in humans (no healthy carriers) · easily and early recognition of . The virus can be transmitted:
The causative agent of smallpox, variola virus, belongs to the genus orthopoxvirus, subfamily chordopoxvirinae, family poxviridae. Smallpox, also called variola major, acute infectious disease that begins with a high fever, headache, and back pain and then proceeds to an eruption on the . Directly from person to person. Variola virus, a solely human pathogen, is the causative agent of smallpox, which was deemed eradicated in 1980 by the world health organization (who), leading . Some experts say that over the centuries it has killed more people than all other infectious .
Smallpox is a disease caused by the variola major virus.
Smallpox is caused by infection with the variola virus. Variola minor virus · absence of animal reservoir · absence of latent or persistent infections in humans (no healthy carriers) · easily and early recognition of . Directly from person to person. Variola virus, a solely human pathogen, is the causative agent of smallpox, which was deemed eradicated in 1980 by the world health organization (who), leading . Smallpox, also called variola major, acute infectious disease that begins with a high fever, headache, and back pain and then proceeds to an eruption on the . Smallpox is a disease caused by the variola major virus. It is caused by variola, a large and complex virus from the orthopoxvirus . Some experts say that over the centuries it has killed more people than all other infectious . The virus can be transmitted: The causative agent of smallpox, variola virus, belongs to the genus orthopoxvirus, subfamily chordopoxvirinae, family poxviridae. At least two strains of virus exist: Three other members of this . Smallpox · smallpox is a highly contagious and sometimes deadly disease that is caused by · the variola virus emerged in human populations thousands of years ago .
Variola : Viruela, J.L. - Three other members of this .. Three other members of this . The virus can be transmitted: Directly from person to person. Smallpox results from infection by variola virus (genus orthopoxvirus, family poxviridae). Smallpox, also called variola major, acute infectious disease that begins with a high fever, headache, and back pain and then proceeds to an eruption on the .