Covid and Pandemics Flashcards
State the characteristics of a virus
Small amount of genes - 10
Metabolically inert and cannot reproduce independently
Define R0
The number of people that one sick person will infect on average
Describe R0
A function of human behaviour and biological character of pathogens
It’s with the population susceptible - no immunity
Define Re (Effective reproduction number)
The average number of people that would be infected by a single infectious - taking into account the public health interventions
Describe how Re is used
To measure the transmissibility of an epidemic - changes as vaccines or natural immunity is produced or deaths are increased
Define fatality case rate
Number of deaths divided by known cases
Define infection fatality rate
number of deaths divided by all infection- known cases plus unknown instances
State the two treatment phases
Anti virals - learn from the virus
Immune modulators - learn from patients
State the two transmission phases
Asymptomatic
Symptomatic
Describe the Plague of Athens
420 BCE - Pelponnsians war
First recorded pandemic in history
Describe the effect of the Plague of Athens
Killed over a quarter of Athens troops and 2/3 of the population
Describe how the plague of Athens would be treated today
Vaccines
Fluid replacement
Antibiotics
Describe the Antonine Plague
Came back from the troops of Rome - decimated the population
Describe how the Antonine Plague would be treated today
Anti viral drugs
Small pox vaccine
Describe the Justuanan Plague
Byzantine Empire imported grain from Egypt nd imported the bubonic plague