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BioWorld - Tuesday, April 14, 2026
Home » Authors » Sergio Held

Articles by Sergio Held

Mosaico team in Mexico City

First-ever phase III trials of HIV vaccine in Latin America

Jan. 11, 2021
By Sergio Held
CAJICA, Colombia – A phase III trial for an HIV vaccine developed Janssen Vaccines & Prevention BV is finally moving forward in Latin America and elsewhere in the world after a delay of more than a year caused by slow regulatory progress and worsened by a string of COVID-19 lockdowns.
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Coronavac press conference in Brazil
Optimism in Brazil

Sinovac’s COVID-19 vaccine more than 78% effective in Brazil trials

Jan. 7, 2021
By Sergio Held
CAJICA, Colombia – Brazil's Butantan Institute and the government of the state of Sao Paulo released efficacy results on Jan. 7 for Coronavac, developed by China’s Sinovac Biotech Ltd., that suggest the COVID-19 vaccine is more than 78% effective.
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Map of Latin America, South America
Sourcing disparities across the Americas

Latin America awaits COVID-19 vaccine; race in the region is on

Dec. 23, 2020
By Sergio Held
CAJICA, Colombia – The 33 countries across Latin America, Central America and the Caribbean are taking vastly different approaches to secure, acquire and distribute COVID-19 vaccines. A handful of the region’s wealthier countries have signed deals with vaccine suppliers or plan to manufacture them, but it is unclear how others will source or distribute vaccines to protect roughly 657 million people. Many are counting on the COVAX initiative.
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With its Jazz platform approved, Implanet aims to conquer the Mexican market

Dec. 21, 2020
By Sergio Held
CAJICA, Colombia – After a lengthy process, French spinal-cord implants manufacturer Implanet SA received marketing authorization by Cofepris, the Mexican health care surveillance agency, to distribute its Jazz platform in the Latin American country. Martillac, France-based Implanet is now looking to train surgeons in Mexico to use its Jazz platform that is designed to improve the treatment of spinal pathologies requiring vertebral fusion surgery.
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Coronavac shipment

Brazil’s Anvisa issues emergency pathway for COVID-19 vaccines, though some firms seek other routes

Dec. 7, 2020
By Sergio Held
Brazilian health care regulator Anvisa has issued guidelines for SARS-CoV-2 vaccine manufacturers to receive emergency marketing approvals in the Latin American giant. Brazil is the largest market in the region and several COVID-19 vaccine makers are both doing trials there and hoping for quick approvals.
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Novel coronavirus SARS-CoV-2

Chembio looks for share of competitive Brazilian market for SARS-CoV-2 tests

Dec. 2, 2020
By Sergio Held
CAJICA, Colombia – Chembio Diagnostic Systems Inc., a point-of-care diagnostic company focused on infectious diseases, received the approval from Anvisa, the Brazilian health care surveillance agency, to distribute its tests in the Latin American market. The approval adds yet another test to the hundreds already approved in Brazil, where the market for such tests is quickly getting crowded sending prices down. Brazil is one of the countries most affected by COVID-19 with almost 6 million cases and 166,000 deaths, the third highest number of cases in the world.
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Cuba mask and syringe
3 trials, 2 vaccines

Cuba puts high hopes on second domestic vaccine against SARS-CoV-2

Nov. 25, 2020
By Sergio Held
CAJICA, Colombia – Cuba’s Finlay Institute of Vaccines is moving forward with Soberana 2, a domestically developed conjugate vaccine against SARS-CoV-2. This is the second vaccine under development in the small country of 12 million people.
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Vaccine administration

Anvisa restarts trials for Sinovac’s COVID-19 vaccine

Nov. 17, 2020
By Alfred Romann and Sergio Held
BOGOTA, Colombia and VANCOUVER, Canada – Anvisa, Brazil’s health care surveillance agency, re-started phase III trials for Coronavac, the COVID-19 vaccine candidate developed by China-based Sinovac Biotech Ltd., after a suspension of just two days. “Anvisa understands that it has sufficient subsidies to allow the resumption of vaccination,” the regulator said on Nov. 11. Anvisa said it plans to continue monitoring “the possible relationship of causality” between an unexpected serious adverse event and the vaccine.
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Vaccine administration

Anvisa restarts trials for Sinovac’s COVID-19 vaccine

Nov. 12, 2020
By Sergio Held and Alfred Romann
BOGOTA, Colombia and VANCOUVER, Canada – Anvisa, Brazil’s health care surveillance agency, re-started phase III trials for Coronavac, the COVID-19 vaccine candidate developed by China-based Sinovac Biotech Ltd., after a suspension of just two days. “Anvisa understands that it has sufficient subsidies to allow the resumption of vaccination,” the regulator said on Nov. 11. Anvisa said it plans to continue monitoring “the possible relationship of causality” between an unexpected serious adverse event and the vaccine.
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Sichuan Clover Biopharmaceuticals' COVID-19 vaccine boosted by CEPI

Nov. 10, 2020
By Sergio Held
The Coalition for Epidemic Preparedness Innovations (CEPI) said that it would fund a SARS-CoV-2 vaccine under development by Sichuan Clover Biopharmaceuticals Inc., of Chengdu, China.
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