[PERSON]
Iva Hristova
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Bulgaria faces flu vaccine shortages and legislative shifts
13 clusters · 34 sources · last updated
Latest: Bulgaria receives first 150,000 seasonal flu vaccine doses
Bulgaria has entered the influenza season following the isolation of the A(H3N2) virus in Sofia. Experts, including Assoc. Prof. Trifon Valkov, have identified three primary strains expected to circulate: two Type A vari