Endemic, Epidemic, Pandemic, Sporadic, Cluster, Pandemic Severity Index - Coronavirus
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The majority of human cases of influenza A (H5N1) and A(H7N9) virus infection have been associated with direct or indirect contact with infected live or dead poultry.
Influenza A viruses infect humans and many different animals. The emergence of a new and very different influenza A virus with the ability infect people and have sustained human to human transmission, can cause an influenza pandemic. Influenza type A viruses - cause an influenza pandemic. Influenza type A viruses are classified into subtypes according to the combinations of different virus surface proteins 18 hemagglutinin (HA) and 11 neuraminidase (NA).
Influenza B viruses circulates among humans and cause seasonal epidemics. Recent data showed seals also can be infected.
Influenza C viruses can infect both humans and pigs but infections are generally mild and are rarely reported.
Influenza D viruses primarily affect cattle and are not known to infect or cause illness in people.
Evidence suggests that some antiviral drugs, notably neuraminidase inhibitor (oseltamivir, zanamivir), can reduce the duration of viral replication and improve prospects of survival.
Most recent A(H5) and A(H7N9) viruses are resistant to adamantane antiviral drugs (e.g. amantadine and rimantadine) and are therefore not recommended for monotherapy.
WHO, in collaboration with the World Organisation for Animal Health (OIE) and the Food and Agriculture Organization (FAO), conducts surveillance at the human-animal interface, assesses the associated risks and coordinates response to zoonotic influenza outbreaks and other threats to public health.
Outbreak @0:10
Endemic Hyperendemic @0:59
Epidemic @2:31
Epidemic Types @4:28
Pandemic @6:25
Influenza Pandemic Phases 1 to 6 @8:56
Influenza Pandemic Prevention @11:17
Pandemic Severity Index @12:00
Anti-Virals @12:29
Cluster @13:23
Sporadic @13:49
#Severity #Zoonotic #Influenza #Pandemic #Propagated #Virulence #Epidemic #Outbreak #Endemic #Expended #Manishika #Examrace #examrace #upsc #ugcnet
