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The MMR vaccine is a vaccine against measles, mumps, and rubella. The first dose is generally given to children around 9 months to 15 months of age, with a second dose at 15 months to 6 years of age, with at least 4 weeks between the doses. After two doses, 97% of people are protected against measles, 88% against mumps, and at least 97% against rubella. The vaccine is also recommended for those who do not have evidence of immunity, those with well-controlled HIV/AIDS, and within 72 hours of exposure to measles among those who are incompletely immunized. It is given by injection.
Rubella, also known as German measles or three-day measles, is an infection caused by the rubella virus. This disease is often mild with half of people not realizing that they are infected. A rash may start around two weeks after exposure and last for three days. It usually starts on the face and spreads to the rest of the body. The rash is sometimes itchy and is not as bright as that of measles. Swollen lymph nodes are common and may last a few weeks. A fever, sore throat, and fatigue may also occur. Joint pain is common in adults. Complications may include bleeding problems, testicular swelling, encephalitis, and inflammation of nerves. Infection during early pregnancy may result in a miscarriage or a child born with congenital rubella syndrome (CRS). Symptoms of CRS manifest as problems with the eyes such as cataracts, deafness, as well as affecting the heart and brain. Problems are rare after the 20th week of pregnancy.
Congenital rubella syndrome (CRS) can occur in a developing fetus of a pregnant woman who has contracted rubella, usually in the first trimester. If infection occurs 0–28 days before conception, the infant has a 43% risk of being affected. If the infection occurs 0–12 weeks after conception, the risk increases to 81%. If the infection occurs 13–26 weeks after conception, the risk is 54% of the infant being affected by the disease. Infants are not generally affected if rubella is contracted during the third trimester, or 26–40 weeks after conception. Problems rarely occur when rubella is contracted by the mother after 20 weeks of gestation and continues to disseminate the virus after birth.
The Elachistidae are a family of small moths in the superfamily Gelechioidea. Some authors lump about 3,300 species in eight subfamilies here, but this arrangement almost certainly results in a massively paraphyletic and completely unnatural assemblage, united merely by symplesiomorphies retained from the first gelechioid moths.
Capsella is a genus of herbaceous plant and biennial plants in the family Brassicaceae. It is a close relative of Arabidopsis, Neslia, and Halimolobos.
Rubella virus (RuV) is the pathogenic agent of the disease rubella, transmitted only between humans via the respiratory route, and is the main cause of congenital rubella syndrome when infection occurs during the first weeks of pregnancy.
The MMRV vaccine combines the attenuated virus MMR vaccine with the addition of the chickenpox vaccine or varicella vaccine. The MMRV vaccine is typically given to children between one and two years of age.
An attenuated vaccine is a vaccine created by reducing the virulence of a pathogen, but still keeping it viable. Attenuation takes an infectious agent and alters it so that it becomes harmless or less virulent. These vaccines contrast to those produced by "killing" the virus.
Measles vaccine protects against becoming infected with measles. Nearly all of those who do not develop immunity after a single dose develop it after a second dose. When rates of vaccination within a population are greater than 92%, outbreaks of measles typically no longer occur; however, they may occur again if rates of vaccination decrease. The vaccine's effectiveness lasts many years. It is unclear if it becomes less effective over time. The vaccine may also protect against measles if given within a couple of days after exposure to measles.
Rubella vaccine is a vaccine used to prevent rubella. Effectiveness begins about two weeks after a single dose and around 95% of people become immune. Countries with high rates of immunization no longer see cases of rubella or congenital rubella syndrome. When there is a low level of childhood immunization in a population it is possible for rates of congenital rubella to increase as more women make it to child-bearing age without either vaccination or exposure to the disease. Therefore, it is important for more than 80% of people to be vaccinated.
Boston exanthem disease is a cutaneous condition that first occurred as an epidemic in Boston in 1951. It is caused by echovirus 16. The disease tends to afflict children more often than adults, although some adults can become infected, and the symptoms have never been fatal. It shows some clinical similarity to Rubella and Human herpesvirus 6
Progressive rubella panencephalitis (PRP) is a neurological disorder which may occur in a child with congenital rubella. It is a slow viral infection of the brain characterized by chronic encephalitis, usually manifesting between 8–19 years of age. It is believed to be due to a persistence or reactivation of rubella virus infection.
Rubellatoma rubella, common name the reddish mangelia, is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
Elachista is a genus of gelechioid moths described by Georg Friedrich Treitschke in 1833. It is the type genus of the grass-miner moth family (Elachistidae). This family is sometimes circumscribed very loosely, including for example the Agonoxenidae and Ethmiidae which seem to be quite distinct among the Gelechioidea, as well as other lineages which are widely held to be closer to Oecophora than to Elachista and are thus placed in the concealer moth family Oecophoridae here.
Visitors to Jamaica must obtain a visa from one of the Jamaican diplomatic missions, or in certain cases from one of the United Kingdom diplomatic missions, unless they come from one of the 116 countries designated as visa-exempt countries or countries whose citizens may obtain a visa on arrival. Most Commonwealth Citizens can visit Jamaica for up to 180 days visa-free.
Elachista falaxella is a moth in the family Elachistidae. It was described by Sinev and Sruoga in 1995. It is found in south-eastern Siberia.
Elachista ochroleuca is a moth in the family Elachistidae. It was described by Edward Meyrick in 1923. It is found in New Zealand.
Elachista putris is a moth in the family Elachistidae. It was described by Edward Meyrick in 1923. It is found in northern India.
Elachista galatheae is a moth in the family Elachistidae. It was described by Viette in 1954. It is found on Campbell Island and the Antipodes Islands.
Cephaloziella is a genus of liverworts. Cephaloziella varians(Gottsche) Steph. is the only liverwort that occurs in the continental Antarctic.
References
- ↑ Beccaloni, G.; Scoble, M.; Kitching, I.; Simonsen, T.; Robinson, G.; Pitkin, B.; Hine, A.; Lyal, C., eds. (2003). "Elachista rubella". The Global Lepidoptera Names Index . Natural History Museum . Retrieved May 23, 2018.
- ↑ Elachista at funet