请看这里：CDC: Influenza antivirals are 70% to 90% effective in preve

2012-13 CDC guidelines recommend antivirals as an important adjunct to vaccines in the control of influenza³²

• Influenza antivirals are 70% to 90% effective in preventing influenza and are useful adjuncts to vaccination.

The American Academy of Pediatrics (AAP) recommends prophylaxis with antivirals for³³:

• Postexposure prophylaxis for high-risk family members and close contacts of an infected individual.


• Prevention for unvaccinated family members who are likely to have ongoing, close exposure to unvaccinated children at high risk (including infants and toddlers younger than 2 years of age).