What is the case definition for measles?
Case definition Measles-compatible illness and laboratory confirmation of infection in the absence of recent (i.e. within the previous 28 days) immunization with measles-containing vaccine.
What is the difference between the flu virus and the measles virus?
Influenza and measles are viruses that both cause respiratory symptoms. The typical measles rash does not appear for 2-4 days, so during influenza season, symptoms of early measles can be confused with influenza.
What is the name of the virus that causes measles?
Measles is caused by an extremely contagious virus called morbillivirus. In fact, if 10 people who weren’t vaccinated were in a room with someone with measles, nine of those people would get measles. Measles is spread by: Contaminated droplets that are spread through the air when you cough, sneeze or talk.
WHO measles elimination definition?
The World Health Organization (WHO) defines measles elimination as “the absence of endemic measles virus transmission in a defined geographical area (e.g. region or country) for at least 12 months in the presence of a surveillance system that has been verified to be performing well.” In 2000, measles was declared …
WHO cholera case definition?
According to the WHO case definition, a case of cholera should be suspected when: – in an area where the disease is not known to be present, a patient aged 5 years or more develops severe dehydration or dies from acute watery diarrhoea; – in an area where there is a cholera epidemic, a patient aged 5 years or more …
Is measles an RNA virus?
The pathogen. The measles virus is a single-stranded RNA virus of the genus Morbillivirus and the family Paramyxoviridae. The virus is related to several viruses that infect animals, including the Canine Distemper Virus.
Is smallpox same as measles?
The prodromal rash of smallpox sometimes resembled measles. Clinicians through the ages learned to differentiate smallpox and measles in their early stages. Osler’s careful clinical description of prodromal smallpox is a classic in infectious diseases.
Are measles a disease or virus?
Measles is an acute, highly contagious viral disease capable of causing epidemics. Infectivity is close to 100% in susceptible individuals and in the pre-vaccine era measles would affect nearly every individual during childhood.
Is measles a disease or virus?