The pea-size machine uses body fluids as fuel to propel itself through the digestive tract.

The outbreak has infected 50,000 people and killed 300, most of them children, since cases began to crop up in October 2018.

Results from an observational study find that the introduction of a routine vaccine in Australia coincided with a fall in the incidence of the autoimmune condition.

In one county alone, more than 100 cases have been confirmed since October.

Scientists debate why the number of whooping cough cases is up, and whether the effectiveness of a vaccine introduced within the last two decades is to blame.

Numerous experimental vaccines that aim to provide multi-season protection are in human studies.

Suppression of a signaling pathway in Toxoplasma gondii prevents the parasite from replicating in host cells.

Physician Peter Gøtzsche, a board member of the organization, has been an outspoken critic of certain vaccines and of the pharma industry in general.

The number of cases in Democratic Republic of Congo’s latest outbreak of the virus has now surpassed 100.