Corona (enveloped RNA viruses)
MERS-CoV
Causes Middle East Respiratory Syndrome
Symptoms: A fever, a cough sore throat, runny nose, shortness of breath
First isolated from 60-years man's sputum in Saudia Arabia in september 2012.
zoonotic virus
from animals to humans
Transmission: Droplets from person to person, unclear from camels to humans
Total number of cases: 2,519
# of cases in U.S:2
Deaths : 866
No specific treatment / No vaccine
SARS-CoV-2
causes COVID-19 pandemic
symptoms: A fever, a dry cough, shortness of breath
emerged in a seafood and poultry market in the Chinese city of Wuhan in Septtember 2019.
transmission: Droplets produced by coughing, sneezing, or talking, limited evidence of other routes
Incubation :14 days
total number of cases on15/07/2020 is : 13,360,401
# of cases in the U.S. on 15/07/2020 is: 3,434,636
Total deaths on 15/07/2020 is: 579,546
Total Deaths in U.S. on 15/07/2020 :136,699
No specicf treatment/No vaccine
Prevention:
Washing hands with soup
Covering mouth
Social distancing
2 meters away
Avoid touching face with unwashed hands
risk groups
older people
Health care workers
Travelers
Measures applied to stop the spread
Lockdown
Ban gatherings
no schools
no parties
Online learning
airports closed
SARS-CoV-1
Severe acute respiratory syndrom
A cough (dry at first), a fever, and diarrhea in the first or second week of illness, or both
horseshoe bats as the natural reservoir
first occurred in China’s Guangdong province in November 2002.
Transmission: Droplets produced by coughing, sneezing, talking, or breathing
Total number of caseses: 8,439
# of cases in the U.S.: 73
Deaths: 812
No specific treatment / No vaccine