single-celled parasites

According to the Daily Mail, not only leopard sharks, other marine creatures like rays, bass, big pomfret and other fat creatures also mysteriously died in San Francisco Bay.

Although viruses, bacteria and parasites are capable of causing illness, the way they spread the disease to people is very different.

In the process of exploring the world of parasites, scientists have discovered four types of particularly dangerous parts such as eyes, tongue, meat and human brain.

Most men infected with T. vaginalis do not show symptoms but they will spread the disease to their partners.