List 3 Other Info RNA Viruses

Question 1

Picornaviridae Single strand, positive-sense, Naked
Rhinovirus aka common cold

Answer 1

Transmission: Through aerosols produced by coughing or sneezing, via fomites, or direct contact
Placenta?: Does not cross the placenta
Cancer?: Does not cause cancer

Question 2

Picornaviridae Single strand, positive-sense, Naked
Hepatitis A Virus

Answer 2

Transmission: Fecal-oral route
Placenta?: Does not cross the placenta
Cancer?: Does not cause cancer

Question 3

Caliciviridae Single strand, positive-sense, Naked
Norovirus

Answer 3

Transmission: Contaminated hand due to personal hygiene, contaminated water, and undercooked food
Placenta?: Does not cross the placenta
Cancer?: Does not cause cancer

Question 4

Flaviviridae Single strand, positive-sense, Enveloped
West Nile Virus

Answer 4

Transmission: Via mosquito bites
Placenta?: Does not cross the placenta
Cancer?: Does not cause cause cancer

Question 5

Flaviviridae Single strand, positive-sense, Enveloped
Dengue Fever Virus aka Breakbone fever

Answer 5

Transmission: Bite of Aedes mosquito
Placenta?: Does not cross the placenta
Cancer?: Does not cause cancer

Question 6

Flaviviridae Single strand, positive-sense, Enveloped
Hepatitis C Virus

Answer 6

Transmission: Via needles, organ transplants, and sexual activity
Placenta?: Does not cross the placenta
Cancer?: It can indirectly cause Hepatic cancer

Question 7

Coronaviridae Single strand, positive-sense, Enveloped
Covid-19

Answer 7

Transmitted: Large droplets from sneezing and coughing and direct contact with other infected people
Placenta?: Does not cross the placenta
Cancer?: Does not cause cancer

Question 8

Retroviridae Single strand, positive-sense, Enveloped
HTLV-1 aka Adult Acute T-cell Lymphocytic Leukemia

Answer 8

Transmitted: Sexual intercourse, blood transfusions, and contaminated needles
Placenta?: Does not cross the placenta
Cancer?: Can directly cause cancer, which is Leukemia.

Question 9

Retroviridae Single strand, positive-sense, Enveloped
HIV Virus

Answer 9

Transmission: Primarily through sexual contact and needle sharing. Blood transfusions, organ transplants, tattooing, and accidental medical needle sticks rarely transmit HIV.
Placenta?: It can cross the placenta and causes infection to the fetus by HIV
Cancer?: Can allow of developing Kaposi’s sarcoma in blood vessels

Question 10

Paramyxoviridae Single strand, negative-sense, Enveloped
Measles Virus

Answer 10

Transmission: Respiratory droplets
Placenta?: Does not cross the placenta
Cancer?: Does not cause cancer

Question 11

Rhabdoviridae Single strand, negative-sense, Enveloped
Rabies Virus

Answer 11

Transmission: Via a bite that results in the infected animal’s saliva entering body, break in skin or mucous membranes, rarely through inhalation
Placenta?: Does not cross placenta
Cancer?: Does not cause cancer

Question 12

Filoviridae Single strand, negative-sense, Enveloped
Ebola Virus

Answer 12

Transmission: Direct contact with bodily fluids
Placenta?: Does not cross the placenta
Cancer?: Does not cause cancer

Question 13

Orthomyxoviridae Single strand, negative-sense, Enveloped
Influenza A and B

Answer 13

Transmission: Respiratory droplets
Placenta?: Does not cross placenta
Cancer?: Does not cause cancer

Question 14

Reoviridae Double strand, Naked
Rotavirus

Answer 14

Transmission: Fecal-oral route
Placenta?: Does not cross the placenta
Cancer?: Does not cause cancer