Algae is a group of eukaryotic photosynthetic organisms.
Algae can cause diseases like many pathogenic bacteria and fungi.
Some blue-green algae can cause disease in humans too.
Marine algal bloom can cause many diseases.
Some algal toxins can kill in a second.
Algal toxins can cause severe illness and death in humans.
Consuming sea fish contaminated by toxins from algae Alexandrium can cause paralytic shellfish poisoning, initially paralysis, and even death.
Eating sea fish and shellfish contaminated with the harmful algal toxin can cause disease in humans as well.
Neurotoxic shellfish poisoning, paralytic shellfish poisoning, and Ciguatera fish poisoning are the most common.
Algal blooms are mostly formed by two phytoplankton like diatoms and dinoflagellates.
Karenia brevis red tide is a harmful algal bloom that produces brevotoxin.
This toxin can cause symptoms like throat, eye, skin irritation, asthma attack, shortness of breathing, respiratory irritation, coughing, and sneezing.