Holiday working hours:

Dear patients, on the occasion of September 22 - Day of Bulgarian independence, the working hours of our laboratories are as follows:
*Sofia city, both our sites will be closed on 22.09, on 23.09.23, only the central laboratory at 1 Jerusalem Blvd. will be open;
*Varna city, all laboratories will be closed except for:
- 3 ILINDEN STREET - normal working hours, no change
- "TSAR OSVOBODITEL" Blvd. 81 - on 22.09.23 from 08:00 a.m. to 12:00 p.m. and on 23.09.23 will be closed


Influenza is an acute infectious disease – the most widespread infection in the world. The first symptoms of flu are fever (38-39 degrees), muscle aches, chills and headache. After a day or two, cough and runny nose are added to the patient’s discomfort.

How does the flu get infected?
The virus is very easily transmitted from person to person as it is spread by airborne droplets. We can get the flu anywhere. A person with the flu spreads viruses not only when sneezing and coughing, but even during a conversation. The distance of their dispersion reaches between 2-3 meters. Flu can infect us not only visibly sick people with clearly expressed flu symptoms, but also people in whom the disease is very mild, almost asymptomatic or even already recovering.

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