SARSCoV-2/ COVID-19 Flashcards
Factors that promote transmission
• Overcrowding (R0 = 5.7)
• ______ humidity
•______ temperatures
•______ sanitation
• Travel
•________ spaces
Low
Low
Poor
Closed
Microbiology of COVID-19
M
E
N
S
HE
RNA or DNA?
Membrane protein
Envelope protein
Nucleoprotein
Spike protein
Hemaglutinnin esterase
Genomic RNA
COVID-19=COronaVIrusDisease2019
Causative organism forCOVID-19 is a
coronavirus called _________
SARS CoV 2
SARSCoV2= ____________________________ coronavirus 2
severe acute respiratory
syndrome v
Aß-coronavirus,similar to __________ ,
and _____________.
MERSCoV
SARS CoV 1
Coronavirus
It is a _______ sense, _______ stranded
____NAvirus.
Contains 4 structural proteins (___________)
positive; single
RNA; S,E,M,
N
Coronavirus
The ____ protein attaches to the receptor
on human cells, the _____ molecule
S
ACE-2
Pathogenesis Of SARS COV2
The ____________ cells are the primary target of the virus, via a cellular receptor which has been identified as ___________________ receptor, which are abundantly found on the _____________ cells of the lungs.
lung epithelial
angiotensin-converting enzyme 2 (ACE2)
type II alveolar
Pathogenesis of SARS COV2
The virus also causes pathology in the GIT (ACE2 is found in the _____,______, and ———— epithelium)
the CNS and the CVS (both ___________ & chronic damage to the _____________ have been recorded).
Damage also occurs in the kidneys(_______), liver(___________), and the spleen( ____________ ).
gastric, SI and rectal
acute myocardial injury; vascular system
highACE2; cholangiocytes
macrophages
Other contributory factors in the pathogenesis Of SARS COV2 may include:
___________________
Venous/ arterial thrombosis
____________ from poor intake and vomiting/ diarrhea.
Superimposed bacterial/ fungal infections
Dehydration
Patients with severe COVID-19 subsequently develop features of ________________, with some patients
developing the ‘ _____________ ’ due to the high levels of circulating inflammatory markers and cytokines.
hyper-inflammation
cytokine storm
After the incubation period , COVID-19 virus causes _________ symptoms and elicits _____________ responses.
• The successful elimination of the infection relies on the ________ and the ____________ of the infected individual.
• If the virus is not eliminated , the patient then enters severe stage , when ______________________ response occurs, especially in the _________.
non-severe; protective immune
health status; HLA haplotype
strong damaging inflammatory
lungs
Approachtocare
S-I-N
One of the most critical actions for the prevention and control of the COVID-19 is to _______________ and _________ such patients from otherswhoarenot infected.
identify cases early
separate
Approach to care
S-I-N
o__________
o___________
o ___________
Screen(triage)
Identify
Notify
COVID-19Interventions
1.Supportive care
_________,_______,________,_______,________
- Antivirals
__________,_______,_______
Others: Chloroquine, Hydroxychloroquine, Lopinavir – these have not been found to be useful - Others
Anti-inflammatory agents: _______,_______
____________
_________ plasma
Rehydration
Antibiotics
Anti-coagulants
Treat Comorbidities
Vitamins
Remdesevir, Favipiravir, Ivermectin
steroids, tocluzimab
Monoclonal antibodies; Covalescent