Luis Fernando de Macedo Brígido
Biographic Data
| ID | 5976450 |
|---|---|
| NAME | Luis Fernando de Macedo Brígido |
| GIVEN NAMES | Luis Fernando de Macedo |
| FAMILY NAME | Brígido |
| SIGNATURE | BRIGIDO L F M |
| AFFILIATIONS | Instituto Adolfo Lutz |
| ORCID | 0000-0002-1022-7837 |
| VERIFIED | Yes |
| TOTAL WORKS | 6 |
| TOTAL CITATIONS | 0 |
| WORKS AS AUTHOR | 6 |
| WORKS AS EDITOR | 0 |
| FIRST PUBLICATION YEAR | 2013 |
| LATEST PUBLICATION YEAR | 2026 |
| H-INDEX | 0 |
Increase in syphilis among men who have sex with men in Brazil
This article aims to report the prevalence of syphilis and its associated factors among men who have sex with men (MSM) in Brazil. Respondent-driven sampling was conducted in 12 cities in Brazil between June and December 2016. The target sample size was 350 MSM in each city. Five to six seeds were selected to initiate recruitment and coupons and interviews were conducted online. MSM were considered syphilis-positive if the RST+ and Venereal Disea…
Dynamics and features of transmission clusters of HIV-1 subtypes in the state of São Paulo, Brazil
Background Molecular epidemiology techniques allow us to track the HIV-1 transmission dynamics. Herein, we combined genetic, clinical and epidemiological data collected during routine clinical treatment to evaluate the dynamics and characteristics of transmission clusters of the most prevalent HIV-1 subtypes in the state of São Paulo, Brazil. Methods This was a cross-sectional study conducted with 2,518 persons living with HIV (PLWH) from 53 citi…
Recent HIV infections
OBJECTIVE: Recognize incident infection to better characterize the groups that fuel HIV epidemic. We propose a simple score to identify recent infections among newly diagnosed patients as a HIV surveillance tool. METHODS: Newly diagnosed patients were defined as recent infections when a negative serological test in the previous year was available. Laboratory tests, such as the avidity index (Bio-Rad, according to the CEPHIA protocol), chemilumine…
Impact of covid-19 on people living with HIV-1
The world has been dealing with Aids for forty years, covid-19 accentuated societal inequalities and promoted a rupture in care and prevention, including for people living with HIV. We compiled official HIV indicators, analyzed the impact of covid-19 in Brazil, at São Paulo State (SP), and compared it to the municipality of Santo André (in the state of São Paulo), which adopted linkage/retention strategies to mitigate the impact of covid-19. From…
HIV prevalence among men who have sex with men in Brazil
This paper reports human immuno-deficiency virus (HIV) prevalence in the 2nd National Biological and Behavioral Surveillance Survey (BBSS) among men who have sex with men (MSM) in 12 cities in Brazil using respondent-driven sampling (RDS).Following formative research, RDS was applied in 12 cities in the 5 macroregions of Brazil between June and December 2016 to recruit MSM for BBSS. The target sample size was 350 per city. Five to 6 seeds were in…
Antiretroviral treatment adherence in childhood and adolescence
Our aim was to analyze factors associated with non-adherence to antiretroviral (ARV) treatment among children and adolescents. A cross-sectional study was carried out involving non-institutionalized children and adolescents between 2 and 20 years of age, addressing non-adherence to ARV treatment, which was defined as taking ≤89% of the medications on the day of the interview and the three previous days. The investigation into the association betw…
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Antiretroviral treatment adherence in childhood and adolescence
Our aim was to analyze factors associated with non-adherence to antiretroviral (ARV) treatment among children and adolescents. A cross-sectional study was carried out involving non-institutionalized children and adolescents between 2 and 20 years of age, addressing non-adherence to ARV treatment, which was defined as taking ≤89% of the medications on the day of the interview and the three previous days. The investigation into the association betw…
HIV prevalence among men who have sex with men in Brazil
This paper reports human immuno-deficiency virus (HIV) prevalence in the 2nd National Biological and Behavioral Surveillance Survey (BBSS) among men who have sex with men (MSM) in 12 cities in Brazil using respondent-driven sampling (RDS).Following formative research, RDS was applied in 12 cities in the 5 macroregions of Brazil between June and December 2016 to recruit MSM for BBSS. The target sample size was 350 per city. Five to 6 seeds were in…
Recent HIV infections
OBJECTIVE: Recognize incident infection to better characterize the groups that fuel HIV epidemic. We propose a simple score to identify recent infections among newly diagnosed patients as a HIV surveillance tool. METHODS: Newly diagnosed patients were defined as recent infections when a negative serological test in the previous year was available. Laboratory tests, such as the avidity index (Bio-Rad, according to the CEPHIA protocol), chemilumine…
Impact of covid-19 on people living with HIV-1
The world has been dealing with Aids for forty years, covid-19 accentuated societal inequalities and promoted a rupture in care and prevention, including for people living with HIV. We compiled official HIV indicators, analyzed the impact of covid-19 in Brazil, at São Paulo State (SP), and compared it to the municipality of Santo André (in the state of São Paulo), which adopted linkage/retention strategies to mitigate the impact of covid-19. From…
Dynamics and features of transmission clusters of HIV-1 subtypes in the state of São Paulo, Brazil
Background Molecular epidemiology techniques allow us to track the HIV-1 transmission dynamics. Herein, we combined genetic, clinical and epidemiological data collected during routine clinical treatment to evaluate the dynamics and characteristics of transmission clusters of the most prevalent HIV-1 subtypes in the state of São Paulo, Brazil. Methods This was a cross-sectional study conducted with 2,518 persons living with HIV (PLWH) from 53 citi…
Increase in syphilis among men who have sex with men in Brazil
This article aims to report the prevalence of syphilis and its associated factors among men who have sex with men (MSM) in Brazil. Respondent-driven sampling was conducted in 12 cities in Brazil between June and December 2016. The target sample size was 350 MSM in each city. Five to six seeds were selected to initiate recruitment and coupons and interviews were conducted online. MSM were considered syphilis-positive if the RST+ and Venereal Disea…
HIV/AIDS Research and Interventions (6 works) · Medicine (5 works) · Demography (3 works) · Human immunodeficiency virus (HIV) (3 works) · Internal Medicine (3 works) · Virology (3 works) · Virology (3 works) · Biology (2 works) · Family medicine (2 works) · Gerontology (2 works)