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Example of multiple citations
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Second use of citation. Inserted using vis editor, then re-edited to change ref name using code-based editor. You can switch between editors whil ein the visual editor mode by clicking the pencil icon. Great questions! JenOttawa (talk) 22:35, 2 March 2018 (UTC) "Thank you!"

Article.1: Hepatitis b vaccine:
the edited parts are in bold and italics

Hepatitis B vaccine is a vaccine that prevents hepatitis B.[1] The first dose is recommended within 24 hours of birth with either two or three more doses given after that.[1] This includes those with poor immune function such as from HIV/AIDS and those born premature.[1] In healthy people routine immunization results in more than 95% of people being protected.[1] Blood testing to verify that the vaccine has worked is recommended in those at high risk.[1] Additional doses may be needed in people with poor immune function but are not necessary for most people.[1]In those who have been exposed to the hepatitis B virus but not immunized, hepatitis B immune globulin should be given in addition to the vaccine.[1] The vaccine is given by injection into a muscle.[1] 'It is recommended for health-care workers to be vaccinated. Both types of the vaccine, the plasma-derived vaccine (PDV) and recombinant vaccine (RV), are significantly effective in preventing the infection, and both are well-tolerated as well'. Serious side effects from the hepatitis B vaccine are very uncommon.[1] In healthcare worker group, it seems that intramuscular route of vaccination causes more systemic adverse effects, compared to the intradermal route, which causes more local effects. However, the intramuscular route with 20 µg RV is significantly more effective compared with the intradermal route with 2 µg RV, as the standard schedule compared with a rapid schedule and deltoid intramuscular injection compared with the gluteal intramuscular injection. Pain may occur at the site of injection.[1] It is safe for use during pregnancy or while breastfeeding.[1] It has not been linked to Guillain–Barré syndrome.[1] The current vaccines are produced with recombinant DNA techniques.[1] They are available both by themselves and in combination with other vaccines.[1]

Medical uses[edit | edit source]↵Hepatitis B vaccination, hepatitis B immunoglobulin and the combination of hepatitis B vaccine plus hepatitis B immunoglobulin, all are considered as preventive measures for babies born to mothers infected with HBV. Significantly, the combination is considered superior for protecting these infants. Considering other protective measures, systematic reviews were conducted to assess the effectiveness of the administration of vaccine or HBIG during pregnancy, and findings indicated that the vaccine during pregnancy is not considered to be valuable in protecting infants of the infected mothers.  There was no randomized control studies that has assessed the effects of hepatitis B vaccine antenatally for preventing infant infection. In the United States vaccination is recommended for nearly all babies at birth.[7] Many countries now routinely vaccinate infants against hepatitis B. In countries with high rates of hepatitis B infection, vaccination of newborns has not only reduced the risk of infection, but has also led to marked reduction in liver cancer. This was reported in Taiwan where the implementation of a nationwide hepatitis B vaccination program in 1984 was associated with a decline in the incidence of childhood hepatocellular carcinoma.[8] In the UK, the vaccine is offered to MSM, usually as part of a sexual health check-up. A similar situation is in operation in Ireland.[9] In many areas, vaccination against hepatitis B is also required for all healtplasma-derivedoratory staff.[10] Both types of the vaccine, the plasma-derived vaccine (PDV) and recombinant vaccine (RV), seems to be able to elicit similar protective anti-HBs levels. The Centers for Disease Control and Prevention have issued recommendations for vaccination against hepatitis B among patients with diabetes mellitus.[11] The World Health Organization recommends a pentavalent vaccine, combining vaccines against diphtheria, tetanus, pertussis and Haemophilus influenzae type B with the vaccine against hepatitis B. There is not yet sufficient evidence on how effective this pentavalent vaccine is in relation to the individual vaccines.[12]

Article.2: Hepatitis B Edited parts are in bold and italics

Vaccines for the prevention of hepatitis B have been routinely recommended for babies since 1991 in the United States.[1] The first dose is generally recommended within a day of birth.[2]↵Most vaccines are given in three doses over a course of months. A protective response to the vaccine is defined as an anti-HBs antibody concentration of at least 10 mIU/ml in the recipient's serum. The vaccine is more effective in children and 95 percent of those vaccinated have protective levels of antibody. This drops to around 90% at 40 years of age and to around 75 percent in those over 60 years. The protection afforded by vaccination is long lasting even after antibody levels fall below 10 mIU/ml. For newborn infants of HBsAg-positive mothers: the administration of hepatitis B vaccine alone, hepatitis B immunoglobulin alone, or the combination of vaccine plus hepatitis B immunoglobulin, all prevent hepatitis B occurrence.☃☃ Furthermore, the combination of vaccine plus hepatitis B immunoglobulin is superior to vaccine alone. This combination prevents HBV transmission around the time of birth in 86% to 99% of c.[4] Tenofovir given in the second or third trimester can reduce the risk of mother to child transmission by 77% when combined with hepatitis B immunoglobulin and the hepatitis B vaccine, especially for pregnant women with high hepatitis B virus DNA levels.[5] However, there is no sufficient evidence that the administration of hepatitis B immunoglobulin antenatally might reduce transmission rates to the newborn infant. Besides, no randomized control trial has been conducted to assess the effects of hepatitis B vaccine during pregnancy for preventing infant infection. ↵All those with a risk of exposure to body fluids such as blood should be vaccinated, if not alre.[1] Testing to verify effective immunization is recommended and further doses of vaccine are given to those who are not sufficiently immunizeded.[1] In 10- to 22-year follow-up studies there were no cases of hepatitis B among those with a normal immune system who were vaccinated. Only rare chronic infections have been documented.[6] Vaccination is particularly recommended for high risk groups including: health workers, people with chronic renal failure, and men who have sex with men[7] Both types of the hepatitis B vaccine, the plasma-derived vaccine(PDV) and recombinant vaccine (RV) are of similar effectiveness in preventing the infection in both healthcare workers and chronic renal failure groups. With one difference noticed among health worker group, that the RV intramuscular route is significantly more effective comparing with RV intradermal route of administration. ''' It is unclear if booster vaccination of non-responders offers higher anti-HBs seroconversion and hepatitis B vaccine prevents the infection of hepatitis B mutants.  ↵'''Other↵In assisted reproductive technology, sperm washing is not necessary for males with hepatitis B to prevent transmission, unless the female partner has not been effectively vaccinated.[8] In females with hepatitis B, the risk of transmission from mother to child with IVF is no different from the risk in spontaneous conception.[8]↵Those at high risk of infection should be tested as there is effective treatment for those who have the disease.[9] Groups that screening is recommended for include those who have not been vaccinated and one of the following: people from areas of the world where hepatitis B occurs inurs in more than 2%, those with HIV, intravenous drug users, men who have sex with men, and those who live with someone with hepatitis B.

Note: re-word the underlined sentence into lay termnology