THE ISSUE: The spread of H1N1, aka swine flu, and whether enough is being done about it.

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I don’t think that US authorities are doing enough to contain the swine flu outbreak (“Keeping Eye Out for Flying ‘Pigs’,” April 28).

The Department of Homeland Security should prohibit flights to and from Mexico, beef up the border patrol and supply protective masks to all US residents.

Kenneth Zimmerman

Huntington Beach, Calif.

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Millions of illegal aliens, millions of dollars worth of drugs and, now, a possible flu epidemic are crossing into the United States from Mexico.

The government still refuses to shut our southern border, and the only thing that our billion-dollar taxpayer-funded Centers for Disease Control can tell us to do is wash our hands.

Mario Costanza

Woodstock

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In all the talk about swine flu, the option of shutting down the Mexican border in order to stop the onslaught of the disease is not being seriously considered.

Is President Obama afraid to have his lap dogs tell us how dangerous this infection is?

What’s the secret? Even European countries are warning their citizens about traveling to Mexico.

Where is Homeland Security chief Janet Napolitano?

Is she still concerned with returning veterans as potential terrorists?

Chris Michaels

Morganville, NJ

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The World Health Organization says that the Mexican flu epidemic can become a pandemic.

Now the United States has joined forces by declaring this swine flu a new public health emergency.

My suggestion is to temporarily suspend all flights to and from Mexico until the epidemic has subsided.

In addition, cruise ships should be advised to stay clear of Mexico.

Just suggesting a travel alert is not enough. The health and safety of our people is serious business.

Carol Bergman

Levittown

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We are not worried about the swine flu as much as we are the swines running this country.

Remember, “You can put lipstick on a pig . . .”

Jane Isabella

Johnstown

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It’s very good to see that the precautions and systems put in place after SARS and the last bird flu fiasco have culminated in the developed world being able to maintain open borders.

But developing countries do not have the ability to halt this Mexican wave.

As a chain is only as strong as its weakest link, we’ll all be in this together.

Luke Mansillo

Sydney, Australia