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Up to a million doses of the Oxford-AstraZeneca vaccine were destroyed by Nigeria due to their short expiry dates. [14] By the end of December, 14.8 million vaccine doses had been administered. 5% of the target population had been fully vaccinated by the end of the month.
These strains of swine flu rarely pass from human to human. Symptoms of zoonotic swine flu in humans are similar to those of influenza and influenza-like illness and include chills, fever, sore throat, muscle pains, severe headache, coughing, weakness, shortness of breath, and general discomfort.
The first Hib vaccine licensed was a unconjugated polysaccharide vaccine, called PRP. This vaccine was first marketed in the United States in 1985. [21] Similar to other unconjugated polysaccharide vaccines, serum antibody responses to PPP vaccine were highly age-dependent. Children under 18 months of age did not produce a positive response for ...
In June 2010, a team at the Mount Sinai School of Medicine reported the 2009 flu pandemic vaccine provided some cross-protection against the Spanish flu pandemic strain. [365] One of the few things known for certain about influenza in 1918 and for some years after was that it was, except in the laboratory, exclusively a disease of human beings ...
Oseltamivir, sold under the brand name Tamiflu, is an antiviral medication used to treat and prevent influenza A and influenza B, viruses that cause the flu. [5] Many medical organizations recommend it in people who have complications or are at high risk of complications within 48 hours of first symptoms of infection. [6]
The second lineage of the B virus was since added to provide greater defense against circulating flu viruses. [27] Two influenza A viruses and two influenza B viruses have up until 2023 been among the four flu viruses that a quadrivalent vaccine was intended to protect against. As of 2022 all flu vaccines in the United States were quadrivalent ...
FluMist, officially known as FluMist Quadrivalent in the United States and Fluenz in Europe, is known to be the only flu vaccine on the market that does not use a needle. All nasal LAIVs for recent flu seasons (2022-2023) are considered quadrivalents because “they are designed to protect against four types of flu viruses: an influenza A(H1N1 ...
Vaccine manufacturers are on track to deliver 194 to 198 million doses for the 2020-2021 flu season, about 30 million more than last year, according to the Centers for Disease Control and ...