Today, 200,000 doses of Pfizer vaccine arrive in Mexico, half of what was expected. In addition, the shipment was delayed for the next three weeks, as part of the distribution mechanism proposed by the UN; the case of General Salvador Cienfuegos raised Mexico's diplomatic conflict with the United States to the highest and unusual levels; Members of the migrant caravan clash with Guatemalan security forces in their attempt to continue on their way to the US.