Swine Flu Update: WHO Raises Pandemic Alert Level • EU Issues Travel Advisories for United States and Mexico • Additional Cases in NYC and Other Countries • Updated Guidance from CDC
By the Staff of the Center for Biosecurity | April 27, 2009 | 7:40 PM, EST
This decision follows from advice given by the WHO’s Emergency Committee, which met this morning to consider "available data on confirmed outbreaks of A/H1N1 swine influenza in the United States of America, Mexico, and Canada . . . [and] reports of possible spread to additional countries.”
Based on the advice of the Committee:
The DG recommended that nations focus on measures to mitigate the spread of infection.
In light of widespread presence of the virus, the WHO has deemed that “containment of the outbreak is not feasible.”
The DG recommended against closing borders or restricting international travel. The WHO noted that it is “prudent for people who are ill to delay international travel and for people developing symptoms following international travel to seek medical attention.”
The DG said that “production of seasonal influenza vaccine should continue at this time, subject to re-evaluation as the situation evolves.”
EU Issues Travel Advisories for the United States and Mexico
On Monday, April 27, European Union (EU) Health Commissioner Androulla Vassiliou issued a travel advisory to the 27 EU member countries recommending that “non-essential” travel to affected parts of the U.S. and Mexico be suspended.2 According to Vassiliou, this is a travel advisory only and not a travel ban, and it is up to member countries to make their own determinations about whether to set travel and trade restrictions. The acting Director of the Centers for Disease Control and Prevention (CDC), Richard Besser, responded by commenting that EU travel recommendation is not warranted: "At this point I would not put a travel restriction or recommendation against coming to the United States,” said Besser.
Epidemiology Update: Additional Cases in NYC and Other Countries
In the U.S., a total of 40 cases have been confirmed. Today’s increase in case number comes after 20 additional cases were at the St. Francis Preparatory School. All U.S. cases continue to report only mild illness.3
Several updates have occurred since yesterday in the worldwide reports of suspected cases of swine flu:
New Zealand is now reporting 25 cases under suspicion.4
Spain has confirmed 1 of its 6 suspected cases.5
Australia’s 2 suspected cases have tested negative.6
France’s 4 suspected cases have tested negative.7
Italy has 1 case under suspicion.7
England has also ruled out swine flu in 1 suspected case.7
Scotland has confirmed 2 cases.2
Columbia has 12 suspected cases.4
Brazil has 1 suspected case.4
The European CDC states that among France, England, and Scotland, 12 cases are suspected, but enumeration is not provided.
Updated Guidance Documents from Centers for Disease Control and Prevention (CDC)
Previous (2007) community mitigation guidance is based on an assessment of severity of illness in a given community. At this time, however, it is not possible to calculate the severity of the swine flu outbreak given currently available data.
The CDC has issued additional swine flu guidance documents as well.
(April 24, 2009). This guidance is for laboratory workers who may be processing or performing diagnostic testing on clinical specimens from patients with suspected swine influenza A (H1N1) virus infection, or performing viral isolation.
(Apr 26, 2009). This document provides interim guidance for state and local health departments conducting investigations of human cases of swine influenza A (H1N1) virus. The following case definitions are for the purpose of investigations of suspected, probable, and confirmed cases of swine influenza A (H1N1) virus infection.
Investigation of New York City swine flu cluster continues; symptoms remain mild [news release]. New York, New York; New York City Department of Health and Mental Hygiene. April 27, 2009. . Accessed April 27, 2009.