Which of the following diseases is caused by a protozoan?
1. Syphilis
2. Influenza
3. Babesiosis
4. Blastomycosis
Which of the following viruses is not transferred through the semen of an infected male?
1. | Hepatitis-B virus | 2. | Human immunodeficiency virus |
3. | Chikungunya virus | 4. | Ebola virus |