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D04536. Influenza vaccines, colloquially known as flu shots, are vaccines that protect against infection by influenza viruses. [ 14][ 15] New versions of the vaccines are developed twice a year, as the influenza virus rapidly changes. [ 14] While their effectiveness varies from year to year, most provide modest to high protection against ...
A universal flu vaccine would be a flu vaccine effective against all human -adapted strains of influenza A and influenza B regardless of the virus sub type, or any antigenic drift or antigenic shift. [1] [2] [3] [page needed] Hence it should not require modification from year to year in order to keep up with changes in the influenza virus.
A pentavalent vaccine combines five vaccines into one dose. Pentavalent vaccines include: DTwP-HepB-Hib vaccine, used by UNICEF in low/middle income countries. DTaP-IPV/Hib vaccine, used in the UK until 2017 (replaced by a hexavalent vaccine) DTaP-IPV-HepB vaccine, approved in the US.
A hexavalent vaccine, or 6-in-1 vaccine, is a combination vaccine with six individual vaccines conjugated into one, intended to protect people from multiple diseases. [ 1][ 8] The term usually refers to the children's vaccine that protects against diphtheria, tetanus, pertussis, poliomyelitis, haemophilus B, and hepatitis B, [ 1][ 8] which is ...
A semi-logarithmic chart of laboratory-confirmed A(H1N1) influenza cases by date according to WHO reports. [196] Mexico, USA, and Canada are shown as a breakdown of the total. In the United States, initial reports of atypical flu in two individuals in southern California led to the discovery of the virus by the Center for Disease Control in mid ...
Yellow fever vaccine is a vaccine that protects against yellow fever. [ 4] Yellow fever is a viral infection that occurs in Africa and South America. [ 4] Most people begin to develop immunity within ten days of vaccination and 99% are protected within one month, and this appears to be lifelong. [ 4] The vaccine can be used to control outbreaks ...
1688606-53-2. DTaP-IPV/Hib vaccine is a 5-in-1 combination vaccine that protects against diphtheria, tetanus, whooping cough, polio, and Haemophilus influenzae type B. [ 1][ 2] Its generic name is "diphtheria and tetanus toxoids and acellular pertussis adsorbed, inactivated poliovirus and haemophilus B conjugate vaccine", and it is also known ...
Typhoid vaccines are vaccines that prevent typhoid fever. [ 1][ 2][ 3] Several types are widely available: typhoid conjugate vaccine (TCV), Ty21a (a live oral vaccine) and Vi capsular polysaccharide vaccine (ViPS) (an injectable subunit vaccine ). They are about 30 to 70% effective in the first two years, depending on the specific vaccine in ...