| Influenza Antiviral
Information |
| Antiviral medications can be used to treat and
prevent influenza virus infections. There are four
antiviral drugs approved for use in the United States. Use
of antiviral medications for the treatment and prevention of
influenza is summarized in the
Prevention & Control of Influenza - Recommendations of the Advisory Committee on Immunization Practices (ACIP), 2008
|
| |
|
| NEW |
Interim Recommendations for the Use of Influenza Antivirals for
the 2008-2009 Season |
| |
|
| Antiviral Resistance |
| |
|
| North Dakota resistance testing since October
1, 2008† -- last updated
3/28/2009 |
♦To date, 21 isolates have been
submitted to CDC for further testing -- results pending
Resistant isolates identified in the following counties: Burleigh
(1), Morton (1) |
|
. |
Isolates
tested (n) |
Resistant Viruses,
Number (%) |
Isolates
tested (n) |
Resistant
Viruses,
Number (%) |
| Oseltamivir |
Zanamivir |
Adamantanes |
Influenza A
(H1N1) |
1 |
1 (100%) |
0 (0%) |
1 |
0 (0%) |
Influenza A
(H3N2) |
1 |
0 (0%) |
0 (0%) |
1 |
1 (100%) |
| Influenza B |
0 |
0 (0) |
0 (0) |
N/A* |
N/A* |
|
| * adamantanes (amantadine
and rimantadine) are not effective against influenza B viruses |
| † resistance testing performed by
Centers for Disease Control and Prevention |
| |
|
| Nation-wide resistance testing since
October 1, 2008† -- last updated
3/28/2009 |
|
. |
Isolates
tested (n) |
Resistant Viruses,
Number (%) |
Isolates
tested (n) |
Resistant
Viruses,
Number (%) |
| Oseltamivir |
Zanamivir |
Adamantanes |
Influenza A
(H1N1) |
654 |
649 (99.2%) |
0 (0) |
605 |
3 (0.5%) |
Influenza A
(H3N2) |
94 |
0 (0) |
0 (0) |
94 |
94 (100%) |
| Influenza B |
274 |
0 (0) |
0 (0) |
N/A* |
N/A* |
|
| * adamantanes (amantadine
and rimantadine) are not effective against influenza B viruses |
| † resistance testing performed by
Centers for Disease Control and Prevention |
| |
|
| Links to CDC Educational
and Reference Material |
 |
Antiviral Drugs for Seasonal Influenza |
|
|
Key Facts About Antiviral Drugs |
|
|
Influenza Antiviral Drug Resistance |
|
|
Summary of Antiviral Guidance for 2008-2009 Season -- for
Healthcare Professionals |
