Chiar dacă există dovezi ştiinţifice potrivit cărora un vaccin ajută împotriva dezvoltării bolii COVID-19, nu este clar dacă el previne în mod general infecţia cu noul coronavirus, au spus luni experţi ai OMS.
Asta înseamnă că este posibil ca un vaccin să nu prevină răspândirea virusului, ci doar declanşarea bolii COVID-19.
Din acest motiv, persoanele vaccinate ar trebui să continue să păstreze distanţa fizică recomandată, să poarte măşti faciale şi să se spele frecvent pe mâini, recomandă OMS.
Conform directorului Departamentului de imunizare şi vaccinuri al OMS, Kate O’Brien, este necesar să fie întreprinse mai multe cercetări ştiinţifice cu privire la aceste vaccinuri.
Marea Britanie a dat startul oficial vaccinării pe 8 decembrie. Guvernul a comandat până acum 40 de milioane de doze de vaccin Pfizer/BioNTech, suficient pentru a vaccina 20 de milioane de persoane sau o treime din populația Regatului Unit.
SUA au început luni o campanie masivă de vaccinare anti-COVID-19 a populației, iar primele dozele de vaccin de la Pfizer din SUA și partenerul german BioNTech vor fi livrate luni în 145 de locații din țară.
Tot luni a început campania de vaccinare istorică în Canada, la mai puţin de o săptămână după aprobarea vaccinului Pfizer-BioNTech de către autorităţile canadiene.
Foto: Hepta
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