Research studies effects of BCG

An investigation led by Portugal and Denmark will study the effects of the BCG vaccine and see if it contributes to reducing the incidence or severity of covid-19 cases.


The study starts in late July and is expected to last 18 months. Its coordination will be in charge of the Institute of Hygiene and Tropical Medicine (IHMT) of Universidade Nova de Lisboa and the University of Southern Denmark, in a collaborative research project with Cape Verde, Guinea-Bissau and Mozambique that will assess the effects on professional’s health in these 3 countries.


The BCG vaccine (Bacillus Calmette-Guérin), used for decades to prevent severe forms of tuberculosis, has beneficial protective effects for other infections.


The study will cover 1,200 health professionals, including doctors, nurses, assistants and administrators in direct contact with patients, who will be separated into two groups, the first group in which the vaccine will be administered and the second group in which a placebo will be administered.


In addition to the effects on protection against covid-19, the immunization effects associated with other pathologies will also be evaluated. If the results are positive in preventing the effects of Covid-19, BCG vaccination can be a relatively safe, simple and inexpensive measure that can be administered to both healthcare professionals and the general population.


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