How Can You Get Seasonal, Swine or Bird Flu? Seasonal (Common) Flu. You can usually catch seasonal influenza A from humans, but also from ferrets and pigs (1). Seasonal influenza B usually affects humans and seals (13) and can cause epidemic but not pandemic (2). Seasonal influenza C rarely causes a severe disease and >> Read More ...
HIV infection can be classified in two ways : Four clinical stages based on the presence or absence of signs, symptoms and opportunistic infections. This is more commonly used and is known as the WHO clinical staging of HIV/AIDS for adults and adolescents. Three clinical categories of HIV infection which is based on the >> Read More ...
The lymphatic system is composed of a network of nodes and vessels throughout the body. Its main function is to drain any tissue fluid that did not pass into the bloodstream, filter out debris or invading microorganisms in this fluid and return the fluid, now known as lymph, to the bloodstream. Sometimes large substances >> Read More ...
What is shigellosis? Shigellosis is an intestinal infection caused by the Shigella species of bacteria. It is an acute infection which lasts for about 7 days in adults but may persist for longer and be more severe in infants and children. Death is more likely in children younger than 5 years. Abdominal pain, vomiting, >> Read More ...
What is Salmonella? Salmonella are a group of bacteria that can be divided into typhoid Salmonella (Salmonella typhi) which causes typhoid fever and non-typhoid Salmonella. The latter is commonly known for causing salmenollosis which is a type of foodborne intestinal infection contracted after eating food contaminated with >> Read More ...
What is Anthrax? Anthrax is a serious zoonotic infection meaning that it is transmitted from animals to humans. This infection is caused by a spore-forming bacterium known as Bacillus anthracis. Although anthrax mainly affects domestic and wild animals, the bacteria can infect humans if they come in contact with sick >> Read More ...
What is babesiosis? Babesiosis refers to a malaria-like illness caused by the parasite Babesia. It is transmitted from animals to humans by various ticks. Babesia species of protozoan parasites infect cattle, horses, dogs, cats, and mice – humans are opportunistic hosts. Humans get this zoonotic infection >> Read More ...
What is Coccidioidomycosis? Coccidioidomycosis is a fungal infection mainly isolated to the lung that arises with inhaling the airborne spores of the Coccidioides fungi. It is also known as valley fever and is a common infection among people who live in endemic areas. Coccidioidomycosis is often asymptomatic and when >> Read More ...
What is H3N2? H3N2 is a subtype of the influenza A virus, the pathogen that causes the seasonal influenza. There are many subtypes of influenza A and H3N2 is one of them, just like H1N1 which caused the “swine flu” epidemic of 2009. Human H3N2 viruses are a common cause of the seasonal flu but now there is a >> Read More ...
About Cholera Cholera may not be a major concern for most Americans but it is one of the main diarrheal illnesses that causes over 100,000 deaths per year throughout the world. It had been almost totally eliminated in the United States with the last local outbreak being in 1911. However, in recent years, especially after >> Read More ...
