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Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

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Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

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In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

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Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Classification of bones by shape. Classification of bones by shape.
Bones of the axial skeleton. Bones of the axial skeleton.
Side view of the cranium and facial bones. Side view of the cranium and facial bones.
Bones of the hip. Bones of the hip.
Examples of thrombophlebitis. Deep venous thrombosis (DVT) commonly affects the veins of the leg. Examples of thrombophlebitis. Deep venous thrombosis (DVT) commonly affects the veins of the leg.
Clear the tarsals, metatarsals, and toes. Stand at the end of the table, support the plantar surface ... Clear the tarsals, metatarsals, and toes. Stand at the end of the table, support the plantar surface ...
Video: Pores and Ion Channels

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