- Investing less than $0.72 a year for each person would make the world far more resilient to potentially devastating pandemics, according to a global health expert group convened in the wake of the Ebola crisis.
- Bird flu has been found in a French town outside a broad restriction zone, in a setback to efforts to contain the outbreak of the disease that has led a growing number of countries to ban poultry products from France.
- New research finds fecal transplants, even when frozen, are largely successful in treating a hardy bug responsible for diarrhea.
- A little-known bacterial disease may be killing as many people worldwide as measles, scientists said on Monday, while a mosquito-borne virus known as Zika is also raising global alarm.
- Johnson & Johnson on Thursday said it licensed rights from a Chinese drugmaker to drugs that spur the immune system to help fight diseases, which it hopes will become a key part of a cure for chronic hepatitis B.
- Dynavax Technologies Corp said its experimental hepatitis B vaccine was found to be safe and effective in a late-stage study, paving the way for the company to resubmit its marketing application.
- Chipotle Mexican Grill Inc said it was served with a grand jury subpoena in relation to a criminal investigation into a norovirus contamination at one of its restaurants in California in August.
- A woman in the southern Chinese city of Shenzhen has died after being infected with the highly contagious H5N6 bird flu virus, days after she was admitted to hospital, Hong Kong's Health Department said on Wednesday.
- A new technique involving “optical flow” analysis can effectively identify the most common cause of foodborne illness, Campylobacter.
- Gilead Sciences Inc said its experimental hepatitis B drug was found safer than but as effective as its approved treatment, Viread, in two late-stage studies.
- Sub-Saharan Africa and South East Asia are most at risk from bat viruses jumping to humans and causing new diseases that could lead to deadly outbreaks, scientists warned on Tuesday.
- Blue Bell Creameries is being probed by the U.S. Department of Justice over listeria contamination of its ice cream that was linked to three deaths, the Wall Street Journal reported on Thursday.
An infection is the immune response to a colonization of a host organism by parasite species. Infecting parasites seek to use the host's resources to reproduce, often resulting in disease. Colloquially, infections are usually considered to be caused by microorganisms or microparasites like viruses, prions, bacteria, and viroids, though larger organisms like macroparasites and fungi can also infect.