In the latter half of the 1960s, the World Health Assembly intensified its efforts to eradicate the disease by using highly potent and stable vaccine, by rapidly identifying outbreaks, and by performing ring vaccination in all contacts of a person who was infected. (See Treatment and Medication...
Symptoms may start 1 to 2 weeks after a person gets infected, but it can take as long as 3 weeks for symptoms to appear. People are infectious (meaning they can spread the virus to someone else) from the time symptoms start until all lesions have crusted and scabs have fallen off to ...
It can also be spread by touching things that an infected person has touched, although catching the virus that way isn't as common. The incubation period for smallpox is generally 12 to 14 days, which means a person may not show signs of infection for around two weeks, according to the...
is readily transmissible from person to person during theincubation period, before infected individuals show signs of illness. When a victim develops the characteristic rash and viral syndrome associated withsmallpoxinfection, the disease requires complex isolation and possibly quarantine. Diagnosis can be...
Eye inflammation Heart condition Age under 1 year Pregnancy Rarely, even some healthy people have adverse reactions to this smallpox vaccination. Adverse reactions are less common among previously vaccinated people than among those who have never received the vaccine: ...
Smallpox is a disease caused by infection with a virus called “variola.” It usually spread in densely populated places because thevariola viruscan spread to other people through the small droplets discharged from the upper airway when an infected person cough or sneeze, as well as through th...
Smallpox can be controlled by: a) Antibiotics b) Antiserum c) Vaccination d) Isolation of infected persons e) None of the above A vaccine is a biological preparation that improves immunity to particular disease. Which of...
Why do most people recover quickly from the common cold but once infected with the chickenpox virus, they have it for life? How does a person develop pneumonia? How is it cured? How do disease-causing microorganisms become resistant to drugs? How is tuberculosis treated...
Smallpox is spread from person to person in droplets from the oralpharynx. The greatest risk is to persons within 6 to 8 feet of an infected individual, and prior epidemics have consistently shown that most cases occur in household members and hospital contacts. The secondary attack rate in un...
Monkeypox virus Monkeypox Zoonosis Unknown; broad host range Humans (respiratory droplets); infected animals (lesion secretions, excretions, bites, scratches) West and Central Africa Cowpox virus Cowpox Zoonosis Small rodents; broad host range Infected cats and rodents (lesion secretions); rarely infec...