government public service

healthcare medical

government

news/blog

English

_cdc_occ

_cdc_ppn

_cdc_ppu

_cdc_vnum

_cdc_vid

_ga_CSLL4ZEK4L

_cdc_test_c

Akamai-Request-ID

_cdc_sid

akamai_visit_id

Domain 'www.cdc.gov' uses the United States government-restricted top-level domain (.gov); it also runs on subdomain 'www'. Count 3 characters in 'cdc' with zero vowels and three consonants. Tokenizing the label suggests one word: cdc. No strong language cues emerged from the frequency lists.

html/49/74/4974ec51-2fa3-4cda-8bba-4727512fecf6_fallback.html.gz

Influenza (Flu) | Influenza (Flu) | CDC

query

html/49/74/4974ec51-2fa3-4cda-8bba-4727512fecf6.html.gz

script-src 'none'; form-action 'none'; frame-src 'none'; report-uri https://csp.withgoogle.com/csp/scaffolding/ascnsrsggc:106:0

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Flu Complications and People at Higher Risk

Weekly U.S. Influenza Surveillance Report

View information about how this image was edited or created.

Similarities and Differences between Flu and COVID-19

Influenza Activity in the United States during the 2024–25 Season and Composition of the 2025–26 Inf

Influenza A Viruses May Infect GI Tract and Cause Digestive Symptoms

Prevention and Control of Seasonal Influenza with Vaccines: Recommendations of the Advisory Committe

Global Summary of Recent Human Cases of H5N1 Bird Flu

CDC A(H5N1) Bird Flu Response Update March 19, 2025

width=device-width, initial-scale=1, shrink-to-fit=no

viewport

mobile-web-app-capable

apple-mobile-web-app-capable

msapplication-TileColor

theme-color

Learn about flu, including symptoms, prevention methods, and treatment options.

description

https://www.cdc.gov/flu/images/virus/Flu19_trans_RNPs-small.png?_=39900

twitter:card

twitter:title

twitter:url

twitter:description

twitter:site

twitter:creator

twitter:image:src

robots

NATIONAL CENTER FOR IMMUNIZATION AND RESPIRATORY DISEASES

DC.date

cdc:last_published

HSTS header missing - vulnerable to protocol downgrade attacks

CSP header missing - vulnerable to XSS attacks

child-src 'none';object-src 'none';require-trusted-types-for 'script';script-src chrome://resources 'self';trusted-types;worker-src blob: 'self';frame-ancestors 'none';

child-src https:  chrome-untrusted://new-tab-page/ chrome-untrusted://ntp-microsoft-auth/;connect-src chrome://resources chrome://theme 'self';default-src 'self';font-src chrome://resources 'self';img-src chrome://resources chrome://theme chrome://image chrome://favicon2 chrome://app-icon chrome://extension-icon chrome://fileicon blob: data: 'self';object-src 'none';require-trusted-types-for 'script';script-src chrome://resources chrome://webui-test 'self';style-src chrome://resources chrome://theme 'self' 'unsafe-inline';trusted-types parse-html-subset sanitize-inner-html static-types webui-test-script webui-test-html polymer-html-literal polymer-template-event-attribute-policy lit-html-desktop;frame-ancestors 'none';

child-src 'none';object-src 'none';require-trusted-types-for 'script';script-src chrome://resources 'self';trusted-types;frame-ancestors 'none';

base-uri 'none';child-src https:;form-action https://ogs.google.com https://*.corp.google.com;object-src 'none';script-src 'self' 'unsafe-inline' https:;frame-ancestors chrome://new-tab-page/

cdc.gov

var CDC_POST={"id":"433_136787","type":"cdc_dfe","context":"433-3","lang":"en","audience":"gen","tax":{"cdc_topics":["5b44a0c6-ceec-4155-a74c-d40d40e0bec1","729f8e0c-0084-4ca3-b79a-9731d34f6ca4"],"cdc_categories":["a9a5dc06-779f-4131-88b7-fa68f806d201"],"cdc_audiences":["8de1299b-beee-47ff-a33e-3ab1d2f97e0c"]}};

s.pageName=document.title;
s.channel="Seasonal Flu";
siteCatalyst.setAzEntry("Seasonal Flu");
siteCatalyst.setLevel1("CDC Flu"); 
siteCatalyst.setLevel2("OD"); 
siteCatalyst.setLevel3("Seasonal Flu");

if ( 'en-us' === document.querySelector('html').getAttribute('lang') ) {
 $('main .cdc-dfe-body:first').after(`
 
 `);
}

Requests	IP Address	Location	AS Autonomous System
16	104.102.35.45	Unknown	Unknown
4	184.30.218.127	Unknown	Unknown
4	216.239.34.36	Unknown	Unknown
4	172.217.18.8	Unknown	Unknown
4	104.101.246.43	Unknown	Unknown
4	2a02:26f0:7100:59b::2461	Unknown	Unknown
4	2a02:26f0:3500:e92::2461	Unknown	Unknown
4	2a02:26f0:7100:59a::2461	Unknown	Unknown
4	2a02:26f0:3500:e9a::2461	Unknown	Unknown
4	2001:4860:4802:32::36	Unknown	Unknown
76	16	-	-

Security Scan Report: www.cdc.gov

Summary

AI Security Verdict

Safe Website

Safety Factors

Details

Screenshot

Page Load Overview

Language Analysis

Primary Language

Detection Details

Website Classification

Primary Category

All Detected Categories

Detected Features

Domain & IP Information

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

ssdeep (Context Triggered Piecewise Hashing)

sdhash (Similarity Digest Hashing)

Image Hashes

Perceptual Hashes

Other Hashes

Scan History