H1N1 Update: Seasonal Flu Vaccine Seems to Offer Some Protection Against 2009 H1N1
Vaccination against seasonal strains of flu seems to offer some protection against 2009 H1N1 virus, particularly severe infections, according to a retrospective study published online in BMJ.
Researchers examined vaccination status in 60 laboratory-confirmed cases of 2009 H1N1 compared with that in 180 matched controls. All subjects were patients in a respiratory disease hospital in Mexico City during the early months of the pandemic. Cases had been admitted for influenza, and controls were treated for diseases other than influenza or pneumonia.
Cases were less likely than controls to have received the seasonal vaccine (13% vs. 29%). Among the cases, those who'd been vaccinated were less likely to die.
The authors urge caution in interpreting the results, which they say "in no way indicate that seasonal vaccine should replace vaccination against pandemic influenza."
Researchers examined vaccination status in 60 laboratory-confirmed cases of 2009 H1N1 compared with that in 180 matched controls. All subjects were patients in a respiratory disease hospital in Mexico City during the early months of the pandemic. Cases had been admitted for influenza, and controls were treated for diseases other than influenza or pneumonia.
Cases were less likely than controls to have received the seasonal vaccine (13% vs. 29%). Among the cases, those who'd been vaccinated were less likely to die.
The authors urge caution in interpreting the results, which they say "in no way indicate that seasonal vaccine should replace vaccination against pandemic influenza."
Original complete article from BMJ available here:
No comments:
Post a Comment