RESPIRATORYINFECTIONS
MICROSCOPIC
CORONAVIRUS
INFECTIOUS
PANDEMIC
PATHOGEN
COVID19
DISEASE
HEALTH
VIRUS
X
U
M
B
O
M
C
J
W
X
Q
S
U
A
O
R
F
A
J
X
I
H
S
P
I
Q
Y
C
O
N
D
I
O
E
X
O
I
U
E
Y
U
I
P
P
O
L
O
U
Z
W
L
F
S
B
C
G
T
E
P
A
E
O
F
O
B
A
A
M
U
A
I
A
A
K
A
N
H
F
U
U
V
N
I
U
O
H
E
Y
N
E
V
O
U
U
I
Z
M
O
O
P
M
L
I
M
G
I
G
H
T
G
Z
D
A
G
D
L
X
X
E
U
I
I
C
Q
A
I
R
A
I
S
E
T
D
U
E
O
L
U
R
B
H
A
E
A
T
C
T
I
U
F
S
E
N
I
X
W
X
M
R
E
D
O
Y
M
T
H
A
C
Q
O
J
E
A
Z
S
E
A
T
R
M
I
O
U
J
S
F
U
P
E
R
E
K
D
O
E
D
X
U
Z
Q
E
F
U
C
Z
L
E
Q
T
I
D
V
O
F
I
O
U
O
B
Y
R
X
M
J
A
O
A
D
I
O
S
B
Y
Z
M
R
N
B
B
D
G
X
E
I
E
A
W
N
K
O
M
O
I
O
H
H
O
N
I
I
U
Q
A
Y
O
A
V
J
I
J
G
O
G
I
U
V
B
C
S
C
U
I
Y
W
H
K
G
H
C
M
D
L
E
W
A
9
C
D
Y
R
U
U
Z
X
D
R
X
V
U
V
E
V
Z
E
W
Z
I
H
1
R
I
P
I
U
O
A
T
I
O
X
C
U
U
U
U
I
U
N
R
W
A
D
O
Z
U
I
A
I
J
C
S
T
G
P
J
U
U
I
U
M
U
E
O
A
I
S
I
N
U
M
T
D
O
E
A
Q
R
U
J
I
E
G
N
M
E
F
J
V
C
A
R
X
X
C
L
C
A
R
N
E
J
C
W
O
Y
L
Q
O
G
F
O
O
G
V
M
I
E
W
O
S
I
P
A
L
O
R
M
G
P
H
P
T
W
C
P
Q
M
E
B
F
A
J
E
P
O
X
M
E
P
A
T
H
O
G
E
N
A
I
V
D
H
V
N
I
Z
E
S
Q
J
O
D
F
X
A
U
O
I
F
M
O
C
E
C
I
H
I
A
O
W
E
U
U
X
U
U
C
O
R
O
N
A
V
I
R
U
S
E
I
C
P
R
O
R
E
Y
C
T
O
W
T
I
H
E
A
L
T
H
S
R
