How common is meningococcal B?

How common is meningococcal B?

Results: The incidence of meningococcal serogroup B (MenB) disease declined progressively from 1.52 cases per 100 000 population in 2001 to 0.47 per 100 000 in 2015.

How many cases of meningitis B in the US each year?

The incidence of all meningococcal B serotype infections in the United States is estimated to be about 200 cases per year among persons of all ages. The incidence of Men B is highest in children age five or younger, with an estimated 75 to 100 cases per year.

When was the last meningitis epidemic?

In Tshopo Province, which is in the African meningitis belt, the last meningitis epidemic was reported in November 2009, with 214 cases and 18 deaths (case-fatality ratio of 8%).

Is meningococcal disease seasonal?

Meningococcal disease is also seasonal: the number of cases generally peaks each year in January, February, and March. Figure 1 shows incidence rates (per 100,000 persons) of meningococcal disease in the United States by year from 1970 to 2019.

Who is at risk for meningococcal B?

Certain people are at increased risk, including: Infants younger than one year old. Adolescents and young adults 16 through 23 years old. People with certain medical conditions that affect the immune system.

How is meningococcal B spread?

People spread meningococcal bacteria to other people by sharing respiratory and throat secretions (saliva or spit). Generally, it takes close (for example, coughing or kissing) or lengthy contact to spread these bacteria. Fortunately, they are not as contagious as germs that cause the common cold or the flu.

Who is at risk for meningitis B?

Anyone can get meningococcal disease. Certain people are at increased risk, including: Infants younger than one year old. Adolescents and young adults 16 through 23 years old.

How do you contract meningitis B?

The bacteria that cause meningitis B live within the nose and throat and can be spread through close contact such as coughing, kissing or sneezing.

What is the most recent outbreak of meningitis?

April 11, 2022 – The CDC has issued a health warning about an outbreak of meningococcal disease in Florida, primarily among gay and bisexual men, including those living with HIV. It can be a “very serious, often deadly” disease, the CDC said.

How common are meningitis outbreaks?

Outbreaks of meningococcal disease are rare in the United States. In fact, only about 1 in 20 cases is related to outbreaks. However, outbreaks are unpredictable and the outcomes can be devastating to affected communities and organizations.

How do you get meningitis B?

How do you contract meningococcal B?

It spreads from person-to-person by coughing or coming into close or lengthy contact with someone who is sick or who carries the bacteria. Contact includes kissing, sharing drinks, or living together. Up to one in 10 people carry meningococcal bacteria in their nose or throat without getting sick.

Is meningococcal B contagious?

Meningococcal disease is contagious. It is transmitted through close and prolonged contact with mucus from an infected person. Symptoms include a rash and fever. Meningococcal can affect people of all ages, but can be prevented with vaccination.

Who is at increased risk for meningitis B?

Where are there meningococcal outbreaks?

There is an outbreak of meningococcal disease in Florida, primarily among gay, bisexual, and other men who have sex with men, including those living with HIV. Leon County, FL, has also reported a cluster of meningococcal disease cases among college and university students.

Is meningococcal meningitis an epidemic or outbreak?

Meningococcal disease occurs worldwide, with the highest incidence of disease found in the ‘meningitis belt’ of sub-Saharan Africa. In this region, major epidemics occur every 5 to 12 years with attack rates reaching 1,000 cases per 100,000 population.

Can you get meningitis B twice?

It is very unusual for anyone to have meningitis more than once, but it is possible. Most people some develop immunity to the organism that has caused their disease.

Where is meningococcal most common in the world?

N. meningitidis is found worldwide, but the highest incidence occurs in the “meningitis belt” of sub-Saharan Africa (Map 4-10). Meningococcal disease is hyperendemic to this region, and periodic epidemics during the dry season (December–June) reach up to 1,000 cases per 100,000 population.

  • October 5, 2022