What are the 3 different types of flu
Strand A
Strand B
Strand C
describe the severities of the different flu strands
A is the most severe and frequent spread
B is more mild but can cause outbreaks
C is the most mild or even assymptomatic
what strain of flu do some animals carry
A
how is influenza spread
droplets
aerosols
direct contact with respiratory secretions
how long is the incubation period
1 - 3 days
what are the main symptoms of flu
chills / fever
headache
muscle pain
fatigue
dry cough
sore throat
what are the respiratory complications of flu
bronchitis
bacterial pnuemonia
ear infection in children
what are the more serious but non respiratory complications of the flu
cardiac
nuerological issues
which groups are at risk of developing the flu
children under 6 months
pregnant women
elderly over 65
patients with chronic diseases such as respiratory, cardiac, diabets
severely immunosuppressed individuals
what is the aim of pharmacological treatment of the flu
reduce duration and severity
prevent complications
control spread of infection
what antiviral drugs are used to prevent and treat flu
oseltamivir (tamiflu)
zanamivir (valensa)
which of antiviral drug is often used first to prevent flu in at risk groups
oseltamivir
what happens if resistance to oseltamivir occurs
give zanamivir
who may receive antivirals to help prevent flu
extremely at risk patients who are either at home with a serious case, patients who have had to go to hospital